{"id":3773,"date":"2026-01-08T11:50:28","date_gmt":"2026-01-08T03:50:28","guid":{"rendered":"https:\/\/www.qxymachinery.com\/?p=3773"},"modified":"2026-01-15T12:18:09","modified_gmt":"2026-01-15T04:18:09","slug":"the-evolution-of-pcb-manufacturing-stages","status":"publish","type":"post","link":"https:\/\/www.qxymachinery.com\/vi\/the-evolution-of-pcb-manufacturing-stages\/","title":{"rendered":"S\u1ef1 ti\u1ebfn h\u00f3a qua c\u00e1c giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t PCB"},"content":{"rendered":"

\"The<\/p>\n

M\u1ea1ch in (PCB) t\u1ea1o n\u00ean c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t PCB \u0111\u00e3 thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u trong nh\u1eefng n\u0103m qua. \u0110i\u1ec1u n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi xu h\u01b0\u1edbng s\u1ea3n xu\u1ea5t c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn, nhanh ch\u00f3ng v\u00e0 b\u1ec1n ch\u1eafc. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd xem x\u00e9t v\u1ec1... s\u1ef1 ti\u1ebfn h\u00f3a v\u00e0 ph\u00e1t tri\u1ec3n<\/strong>\u00a0c\u1ee7a c\u00e1c giai \u0111o\u1ea1n kh\u00e1c nhau trong s\u1ea3n xu\u1ea5t PCB<\/strong>N\u00f3 ch\u1ec9 ra nh\u1eefng b\u01b0\u1edbc ti\u1ebfn ch\u00ednh v\u00e0 c\u00e1ch ch\u00fang \u0111\u1ecbnh h\u00ecnh ph\u01b0\u01a1ng th\u1ee9c l\u00e0m vi\u1ec7c. C\u00f4ng ty TNHH Thi\u1ebft b\u1ecb M\u00e1y m\u00f3c Th\u00e2m Quy\u1ebfn Qixingyuan (Qixingyuan) cung c\u1ea5p c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh nh\u01b0... con l\u0103n ch\u1ea3i<\/u><\/a>\u00a0V\u00e0 b\u00e1nh r\u0103ng<\/u><\/a>\u00a0\u0110\u1ec3 h\u1ed7 tr\u1ee3 nh\u1eefng thay \u0111\u1ed5i n\u00e0y, \u0111\u1ea3m b\u1ea3o c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n

Kh\u1edfi \u0111\u1ea7u s\u1edbm: T\u1eeb l\u00e0m th\u1ee7 c\u00f4ng \u0111\u1ebfn b\u1ed1 c\u1ee5c \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch<\/b><\/strong><\/h2>\n

M\u1ea1ch in (PCB) b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1900 d\u01b0\u1edbi d\u1ea1ng c\u00e1c d\u00e2y d\u1eabn \u0111\u01a1n gi\u1ea3n. \u0110\u1ebfn nh\u1eefng n\u0103m 1930, nh\u1eefng ng\u01b0\u1eddi nh\u01b0 Paul Eisler \u0111\u00e3 t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn in \u0111\u1ea7u ti\u00ean. H\u1ecd s\u1eed d\u1ee5ng c\u00e1c t\u1ea5m \u0111\u1ed3ng tr\u00ean \u0111\u1ebf kh\u00f4ng d\u1eabn \u0111i\u1ec7n. Ban \u0111\u1ea7u, c\u00e1c b\u01b0\u1edbc t\u1eadp trung v\u00e0o vi\u1ec7c kh\u1eafc \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn. Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u1eabn \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u1ee7 c\u00f4ng. C\u00e1c thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c v\u1ebd b\u1eb1ng tay. Vi\u1ec7c nh\u00fang h\u00f3a ch\u1ea5t gi\u00fap lo\u1ea1i b\u1ecf l\u01b0\u1ee3ng \u0111\u1ed3ng th\u1eeba.<\/p>\n

Khi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ph\u00e1t tri\u1ec3n m\u1ea1nh sau Th\u1ebf chi\u1ebfn II, nhu c\u1ea7u v\u1ec1 c\u00f4ng vi\u1ec7c \u1ed5n \u0111\u1ecbnh \u0111\u00e3 th\u00fac \u0111\u1ea9y s\u1ef1 thay \u0111\u1ed5i ca l\u00e0m vi\u1ec7c. Th\u1eadp ni\u00ean 1950 mang \u0111\u1ebfn c\u00f4ng ngh\u1ec7 ch\u1ea5t c\u1ea3n quang. C\u00e1c v\u1eadt li\u1ec7u c\u1ea3m \u1ee9ng nh\u1eb9 cho ph\u00e9p di chuy\u1ec3n c\u00e1c h\u00ecnh m\u1eabu ch\u00ednh x\u00e1c. S\u1ef1 thay \u0111\u1ed5i n\u00e0y \u0111\u00e3 cho th\u1ea5y m\u1ed9t b\u01b0\u1edbc ti\u1ebfn l\u1edbn. s\u1ef1 ph\u00e1t tri\u1ec3n trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t PCB<\/strong>N\u00f3 gi\u00fap gi\u1ea3m thi\u1ec3u sai s\u00f3t. N\u00f3 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t. C\u00e1c nh\u00e0 m\u00e1y b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng t\u1ef1 \u0111\u1ed9ng. H\u1ecd r\u00fat ng\u1eafn th\u1eddi gian v\u1ebd th\u1ee7 c\u00f4ng t\u1eeb h\u00e0ng gi\u1edd xu\u1ed1ng c\u00f2n v\u00e0i ph\u00fat.<\/p>\n

Vi\u1ec7c ph\u00e1t tri\u1ec3n t\u1eeb nh\u1eefng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n n\u00e0y \u0111\u00e3 m\u1edf \u0111\u01b0\u1eddng cho c\u00e1c bo m\u1ea1ch nhi\u1ec1u l\u1edbp. C\u00e1c thi\u1ebft k\u1ebf ban \u0111\u1ea7u ch\u1ec9 c\u00f3 m\u1ed9t m\u1eb7t. Nh\u01b0ng nhu c\u1ea7u t\u1eeb m\u00e1y t\u00ednh v\u00e0 radio \u0111\u00e3 d\u1eabn \u0111\u1ebfn s\u1ef1 ra \u0111\u1eddi c\u1ee7a c\u00e1c lo\u1ea1i bo m\u1ea1ch hai m\u1eb7t v\u00e0o nh\u1eefng n\u0103m 1960. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi vi\u1ec7c t\u1ea1o l\u1ed7 v\u00e0 ph\u1ee7 l\u1edbp \u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c l\u1edbp. N\u00f3 l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n, \u0111\u1ed3ng th\u1eddi cho ph\u00e9p t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u h\u1eb9p h\u01a1n.<\/p>\n

C\u00e1c b\u01b0\u1edbc ch\u00ednh: Kh\u1eafc v\u00e0 t\u1ea1o m\u1eabu \u2013 Ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn<\/b><\/strong><\/h2>\n

Kh\u1eafc axit l\u00e0 m\u1ed9t ph\u1ea7n trung t\u00e2m trong vi\u1ec7c ch\u1ebf t\u1ea1o m\u1ea1ch in PCB. V\u00e0o nh\u1eefng n\u0103m 1970, h\u1ed7n h\u1ee3p s\u1eaft(III) clorua chi\u1ebfm \u01b0u th\u1ebf. Nh\u01b0ng nh\u1eefng lo ng\u1ea1i v\u1ec1 m\u00f4i tr\u01b0\u1eddng \u0111\u00e3 d\u1eabn \u0111\u1ebfn vi\u1ec7c thay th\u1ebf b\u1eb1ng c\u00e1c ch\u1ea5t ki\u1ec1m nh\u1eb9 h\u01a1n. Ng\u00e0y nay... Quy tr\u00ecnh kh\u1eafc m\u1ea1ch in PCB<\/strong>\u00a0S\u1eed d\u1ee5ng c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc c\u00f3 h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u01b0\u1ee3ng \u0111\u1ed3ng th\u1eeba. N\u00f3 c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c \u0111\u01b0\u1eddng d\u00e2y c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf \u0111\u1ebfn 0,1 mm. C\u1ea9n th\u1eadn \u1edf \u0111\u00e2y s\u1ebd ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch. N\u00f3 gi\u1eef cho t\u00edn hi\u1ec7u lu\u00f4n m\u1ea1nh.<\/p>\n

Vi\u1ec7c t\u1ea1o m\u1eabu c\u0169ng ph\u00e1t tri\u1ec3n theo \u0111\u00f3. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p in l\u1ee5a truy\u1ec1n th\u1ed1ng d\u1ea7n nh\u01b0\u1eddng ch\u1ed7 cho k\u1ef9 thu\u1eadt in th\u1ea1ch b\u1ea3n. \u00c1nh s\u00e1ng tia c\u1ef1c t\u00edm gi\u00fap hi\u1ec3n th\u1ecb c\u00e1c h\u1ecda ti\u1ebft tr\u00ean c\u00e1c t\u1ea5m v\u00e1n \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7. \u0110\u1ebfn nh\u1eefng n\u0103m 1980, c\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 thi\u1ebft k\u1ebf b\u1eb1ng m\u00e1y t\u00ednh (CAD) t\u1ef1 \u0111\u1ed9ng thi\u1ebft l\u1eadp b\u1ed1 c\u1ee5c. Ch\u00fang gi\u00fap gi\u1ea3m m\u1ed9t n\u1eeda th\u1eddi gian thi\u1ebft k\u1ebf. S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y \u0111\u00e3 l\u00e0m cho qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n. c\u00e1c giai \u0111o\u1ea1n trong s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in<\/strong>T\u1eeb h\u00ecnh \u1ea3nh \u0111\u1ebfn c\u00f4ng tr\u00ecnh ho\u00e0n thi\u1ec7n.<\/p>\n

Vi\u1ec7c t\u1ea1o l\u1ed7 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n sau khi c\u00f3 m\u1eabu. Tr\u01b0\u1edbc \u0111\u00e2y, m\u00e1y khoan c\u1ea7m tay r\u1ea5t hi\u1ec7u qu\u1ea3. Nh\u01b0ng hi\u1ec7n nay, c\u00e1c c\u00f4ng c\u1ee5 CNC t\u1ed1c \u0111\u1ed9 cao c\u00f3 th\u1ec3 t\u1ea1o ra h\u00e0ng ngh\u00ecn l\u1ed7 tr\u00ean m\u1ed7i bo m\u1ea1ch v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i \u00b10,025 mm. Sau \u0111\u00f3, l\u1edbp ph\u1ee7 s\u1ebd b\u1ed5 sung \u0111\u1ed3ng v\u00e0o c\u00e1c l\u1ed7. S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o xung s\u1ebd cho k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 s\u00e2u \u0111\u1ed3ng \u0111\u1ec1u.\u00a0t\u0103ng l\u00e3i su\u1ea5t t\u1ed1t t\u1eeb <\/b><\/strong>70%<\/b><\/strong>\u00a0th\u1eddi x\u01b0a \u0111\u1ebfn h\u01a1n <\/b><\/strong>95%<\/b><\/strong>\u00a0Hi\u1ec7n nay.<\/p>\n

S\u1ef1 ph\u00e1t tri\u1ec3n nh\u01b0 v\u1eady cho th\u1ea5y nh\u1eefng thay \u0111\u1ed5i r\u1ed9ng h\u01a1n trong l\u0129nh v\u1ef1c n\u00e0y. Khi c\u00e1c chi ti\u1ebft tr\u1edf n\u00ean nh\u1ecf h\u01a1n, c\u00e1c b\u01b0\u1edbc nh\u01b0 ph\u1ee7 l\u1edbp h\u00e0n tr\u1edf n\u00ean quan tr\u1ecdng. H\u1ed7n h\u1ee3p m\u00e0u xanh l\u00e1 c\u00e2y b\u1ea3o v\u1ec7 c\u00e1c \u0111\u01b0\u1eddng m\u1ea1ch. \u0110\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 ch\u1ea3y ho\u1eb7c phun \u0111\u1ec3 tr\u1ea3i \u0111\u1ec1u.<\/p>\n

Nh\u1eefng \u0111i\u1ec1u ch\u1ec9nh nh\u1ecf n\u00e0y li\u00ean k\u1ebft v\u1edbi to\u00e0n b\u1ed9 quy tr\u00ecnh. Ch\u00fang \u0111\u1ea3m b\u1ea3o m\u1ed7i ph\u1ea7n \u0111\u1ec1u kh\u1edbp v\u1edbi nhau m\u1ed9t c\u00e1ch ho\u00e0n h\u1ea3o.<\/p>\n

Trong c\u00e1c quy tr\u00ecnh kh\u1eafc m\u1ea1ch, s\u1ef1 ph\u00e2n b\u1ed1 h\u00f3a ch\u1ea5t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 t\u1eafc ngh\u1ebdn v\u00f2i phun th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn \u0111\u1ed9 s\u00e2u kh\u1eafc kh\u00f4ng nh\u1ea5t qu\u00e1n, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng kh\u1eafc qu\u00e1 m\u1ee9c ho\u1eb7c kh\u1eafc ch\u01b0a \u0111\u1ee7 c\u00e1c \u0111\u01b0\u1eddng m\u1ea1ch, d\u1eabn \u0111\u1ebfn h\u1ecfng m\u1ea1ch v\u00e0 \u0111\u00f2i h\u1ecfi ph\u1ea3i s\u1eeda ch\u1eefa t\u1ed1n k\u00e9m. Qixingyuan h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh kh\u1eafc m\u1ea1ch b\u1eb1ng c\u00e1c s\u1ea3n ph\u1ea9m b\u1ec1n ch\u1eafc. b\u1ed9 l\u1ecdc<\/u><\/a>\u00a0V\u00e0\u00a0v\u00f2i phun<\/u><\/a>\u00a0bao g\u1ed3m \u0110\u1ea7u phun PP ch\u1ed1ng axit d\u00f9ng cho d\u00e2y chuy\u1ec1n kh\u1eafc m\u1ea1ch in PCB<\/b><\/strong>C\u00e1c b\u1ed9 ph\u1eadn phun PP v\u00e0 PVC c\u1ee7a h\u1ecd ch\u1ecbu \u0111\u01b0\u1ee3c axit. Ch\u00fang \u0111\u1ea3m b\u1ea3o d\u00f2ng ch\u1ea3y \u0111\u1ec1u v\u00e0 ng\u0103n ng\u1eeba t\u1eafc ngh\u1ebdn. C\u00e1c ph\u1ee5 ki\u1ec7n t\u00f9y ch\u1ec9nh c\u1ee7a Qixingyuan gi\u00fap gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i. Ch\u00fang n\u00e2ng cao kh\u1ea3 n\u0103ng b\u1ea3o qu\u1ea3n khi \u0103n m\u00f2n. B\u1eb1ng c\u00e1ch gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y, s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn. Gi\u1ea3m t\u1ef7 l\u1ec7 l\u1ed7i l\u00ean \u0111\u1ebfn 15-20% <\/b><\/strong>v\u00e0 gi\u1ea3m thi\u1ec3u vi\u1ec7c s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t, d\u1eabn \u0111\u1ebfn l\u1ed1i \u0111i s\u1ea1ch s\u1ebd h\u01a1n v\u00e0 \u00edt ph\u1ea3i s\u1eeda ch\u1eefa h\u01a1n.<\/p>\n

R\u1eeda s\u1ea1ch v\u00e0 chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t: \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n<\/b><\/strong><\/h2>\n

 <\/p>\n

\"Wash<\/p>\n

Vi\u1ec7c gi\u1eef cho th\u1edbt s\u1ea1ch s\u1ebd r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 c\u1ea7m n\u1eafm v\u00e0 l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3. Tr\u01b0\u1edbc \u0111\u00e2y, ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng tay lau ch\u00f9i th\u1edbt. \u0110i\u1ec1u n\u00e0y d\u1ec5 \u0111\u1ec3 l\u1ea1i v\u1ee5n g\u1ed7. c\u00e1c giai \u0111o\u1ea1n l\u00e0m s\u1ea1ch PCB<\/strong>\u00a0C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p c\u00f9ng v\u1edbi s\u1ef1 suy gi\u1ea3m s\u00f3ng \u00e2m v\u00e0o nh\u1eefng n\u0103m 1970. Vi\u1ec7c rung l\u1eafc gi\u00fap lo\u1ea1i b\u1ecf b\u1ee5i b\u1ea9n. Gi\u1edd \u0111\u00e2y, c\u00e1c thi\u1ebft l\u1eadp d\u00e2y chuy\u1ec1n k\u1ebft h\u1ee3p ch\u1ea3i, r\u1eeda s\u1ea1ch v\u00e0 lau kh\u00f4 \u0111\u1ec3 l\u00e0m s\u1ea1ch ho\u00e0n to\u00e0n.<\/p>\n

Vi\u1ec7c lo\u1ea1i b\u1ecf r\u1ec9 s\u00e9t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi s\u01a1n ph\u1ee7. B\u00e0n ch\u1ea3i c\u00f3 s\u1ee3i nylon c\u1ea1o nh\u1eb9 nh\u00e0ng m\u00e0 kh\u00f4ng g\u00e2y h\u1ea1i. Trong c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t l\u1edbn, con l\u0103n t\u1ef1 \u0111\u1ed9ng gi\u1eef cho m\u00e1y ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh. lo\u1ea1i b\u1ecf c\u00e1c khuy\u1ebft \u0111i\u1ec3m b\u1eb1ng c\u00e1ch <\/b><\/strong>20-30%<\/b><\/strong>N\u01b0\u1edbc \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o \u0111\u1ec3 ng\u0103n ng\u1eeba g\u1ec9 s\u00e9t. Mi\u1ebfng b\u1ecdt bi\u1ec3n \u0111\u1eb7c bi\u1ec7t h\u00fat \u1ea9m nhanh ch\u00f3ng. Ch\u00fang gi\u00fap lo\u1ea1i b\u1ecf b\u1ee5i kh\u00f4 v\u00e0 ti\u00eau hao n\u0103ng l\u01b0\u1ee3ng.<\/p>\n

C\u00e1c ch\u1ea5t ph\u1ee7 b\u1ec1 m\u1eb7t nh\u01b0 niken v\u00e0ng kh\u00f4ng \u0111i\u1ec7n ph\u00e2n (ENIG) xu\u1ea5t hi\u1ec7n v\u00e0o nh\u1eefng n\u0103m 1990 \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n. Ch\u00fang gi\u00fap chu\u1ea9n b\u1ecb c\u00e1c bo m\u1ea1ch \u0111\u1ec3 l\u1eafp r\u00e1p. Nh\u1eefng ch\u1ed7 c\u00f3 c\u1eb7n tr\u1ee3 h\u00e0n c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch sau khi h\u00e0n. C\u00e1c ch\u1ea5t t\u1ea9y r\u1eeda m\u1edbi x\u1eed l\u00fd \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i m\u1ed1i h\u00e0n kh\u00f4ng ch\u00ec. Ch\u00fang \u0111\u00e1p \u1ee9ng c\u00e1c quy \u0111\u1ecbnh RoHS.<\/p>\n

Qixingyuan t\u1ecfa s\u00e1ng khi \u0111\u01b0\u1ee3c gi\u1eb7t c\u00f9ng con l\u0103n ch\u1ea3i<\/u><\/a>\u00a0V\u00e0 con l\u0103n x\u1ed1p<\/u><\/a>\u00a0bao g\u1ed3m Con l\u0103n ch\u1ed5i nylon \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp oxit tr\u00ean m\u1ea1ch in.<\/b><\/strong>\u00a0v\u00e0 c\u00e1c con l\u0103n x\u1ed1p bao g\u1ed3m\u00a0Con l\u0103n x\u1ed1p PVA d\u00f9ng \u0111\u1ec3 th\u1ea5m h\u00fat n\u01b0\u1edbc cho m\u1ea1ch in PCB<\/b><\/strong>B\u00e0n ch\u1ea3i nylon c\u1ee7a ch\u00fang l\u00e0m s\u1ea1ch m\u00e0 kh\u00f4ng \u0111\u1ec3 l\u1ea1i v\u1ebft. Mi\u1ebfng b\u1ecdt bi\u1ec3n h\u00fat n\u01b0\u1edbc nhanh v\u1edbi c\u00e1c ch\u1ea5t PVA ho\u1eb7c PU. M\u1eadt \u0111\u1ed9 t\u00f9y ch\u1ec9nh c\u1ee7a Qixingyuan ph\u00f9 h\u1ee3p v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00e2y chuy\u1ec1n. Ch\u00fang gi\u1ea3m oxit v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u00e1m d\u00ednh. \u0110i\u1ec1u n\u00e0y gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd bo m\u1ea1ch v\u00e0 gi\u1ea3m h\u00f3a \u0111\u01a1n ti\u1ec1n \u0111i\u1ec7n.<\/p>\n

L\u1eafp r\u00e1p v\u00e0 ki\u1ec3m tra: T\u1eeb vi\u1ec7c khoan xuy\u00ean \u0111\u1ebfn s\u1eeda ch\u1eefa b\u1ec1 m\u1eb7t<\/b><\/strong><\/h2>\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u1eafp r\u00e1p \u0111\u00e3 thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u. Linh ki\u1ec7n xuy\u00ean l\u1ed7 chi\u1ebfm \u01b0u th\u1ebf cho \u0111\u1ebfn nh\u1eefng n\u0103m 1980. Ch\u00fang \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p b\u1eb1ng tay ho\u1eb7c h\u00e0n s\u00f3ng. Sau \u0111\u00f3, c\u00f4ng ngh\u1ec7 g\u1eafn b\u1ec1 m\u1eb7t (SMT) \u0111\u00e3 thay th\u1ebf. C\u00f4ng ngh\u1ec7 n\u00e0y cho ph\u00e9p g\u1eafn linh ki\u1ec7n \u1edf c\u1ea3 hai m\u1eb7t \u0111\u1ec3 t\u1ea1o ra c\u00e1c g\u00f3i linh ki\u1ec7n d\u00e0y. C\u00e1c c\u00f4ng c\u1ee5 g\u1eafp \u0111\u1eb7t hi\u1ec7n nay c\u00f3 th\u1ec3 \u0111\u1eb7t linh ki\u1ec7n v\u1edbi t\u1ed1c \u0111\u1ed9 100.000 linh ki\u1ec7n m\u1ed7i gi\u1edd.<\/p>\n

L\u00f2 nung ch\u1ea3y l\u00e0m n\u00f3ng ch\u1ea5t h\u00e0n d\u1ea1ng s\u1ec7t. Ch\u00fang t\u1ea1o ra c\u00e1c m\u1ed1i n\u1ed1i. \u00c1nh s\u00e1ng v\u00e0 kh\u00f4ng kh\u00ed \u0111i v\u00e0o gi\u00fap h\u01a1i n\u01b0\u1edbc b\u1ed1c h\u01a1i \u0111\u1ec1u, kh\u00f4ng c\u00f3 khe h\u1edf. \u0110i\u1ec1u n\u00e0y ph\u00e1t tri\u1ec3n c\u00e1c giai \u0111o\u1ea1n l\u1eafp r\u00e1p PCB<\/strong>\u00a0Cung c\u1ea5p l\u1edbp b\u1ea3o v\u1ec7 cho c\u00e1c bo m\u1ea1ch c\u1ee9ng trong \u0111i\u1ec7n tho\u1ea1i v\u00e0 \u00f4 t\u00f4.<\/p>\n

Ki\u1ec3m tra \u0111\u1ea3m b\u1ea3o n\u00f3 ho\u1ea1t \u0111\u1ed9ng. C\u00e1c b\u00e0i ki\u1ec3m tra tr\u00ean \u0111\u01b0\u1eddng \u0111i (ICT) ch\u1ecdc v\u00e0o c\u00e1c \u0111i\u1ec3m. C\u00e1c thi\u1ebft l\u1eadp \u0111\u1ea7u d\u00f2 bay cung c\u1ea5p \u0111\u1ed9 cong cho c\u00e1c l\u1ea7n ch\u1ea1y th\u1eed. Ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng b\u1eb1ng m\u1eaft (AOI) t\u00ecm ki\u1ebfm c\u00e1c khuy\u1ebft \u0111i\u1ec3m. N\u00f3\u00a0n\u1eafm b\u1eaft <\/b><\/strong>99%<\/b><\/strong>\u00a0nh\u1eefng v\u1ea5n \u0111\u1ec1 ban \u0111\u1ea7u<\/b><\/strong>C\u00e1c b\u00e0i ki\u1ec3m tra th\u1ef1c t\u1ebf m\u00f4 ph\u1ecfng vi\u1ec7c s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c l\u0129nh v\u1ef1c tr\u1ecdng \u0111i\u1ec3m nh\u01b0 h\u00e0ng kh\u00f4ng.<\/p>\n

Qixingyuan h\u1ed7 tr\u1ee3 l\u1eafp r\u00e1p v\u1edbi \u0111\u0129a b\u00e1nh xe<\/u><\/a>\u00a0v\u00e0 c\u00e1c v\u00f2ng bi b\u1eb1ng nh\u1ef1a, bao g\u1ed3m\u00a0b\u00e1nh r\u0103ng ch\u00ednh x\u00e1c cho d\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p PCB SMT<\/b><\/strong>C\u00e1c b\u00e1nh xe PP v\u00e0 PVDF c\u1ee7a ch\u00fang d\u1eabn h\u01b0\u1edbng \u1ed5n \u0111\u1ecbnh. V\u00f2ng bi gi\u1ea3m ma s\u00e1t v\u00e0 c\u00f3 tu\u1ed5i th\u1ecd cao. C\u00e1c lo\u1ea1i c\u1ee9ng ho\u1eb7c m\u1ec1m t\u00f9y ch\u1ec9nh c\u1ee7a Qixingyuan ng\u0103n ng\u1eeba tr\u01b0\u1ee3t. Ch\u00fang gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 d\u00e2y chuy\u1ec1n v\u00e0 gi\u1ea3m l\u1ed7i trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/p>\n

Nh\u1eefng \u00fd t\u01b0\u1edfng m\u1edbi: \u00d4 t\u00f4 v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng<\/b><\/strong><\/h2>\n

Th\u1eadp ni\u00ean 2000 \u0111\u00e3 mang \u0111\u1ebfn c\u00f4ng ngh\u1ec7 sao ch\u00e9p k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o cho vi\u1ec7c s\u1ea3n xu\u1ea5t m\u1ea1ch in. C\u00e1c b\u1ea3n m\u00f4 ph\u1ecfng d\u1ef1 \u0111o\u00e1n c\u00e1c k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng. c\u1eaft c\u00e1c b\u1ea3n d\u1ef1ng th\u1eed nghi\u1ec7m b\u1edfi <\/b><\/strong>40%<\/b><\/strong>In 3D gi\u00fap ki\u1ec3m tra nhanh ch\u00f3ng. N\u00f3 x\u1ebfp ch\u1ed3ng c\u00e1c l\u1edbp m\u1ef1c ch\u00ec \u0111\u1ec3 t\u1ea1o \u0111\u01b0\u1eddng u\u1ed1n cong.<\/p>\n

C\u00e1c gi\u1ea3i ph\u00e1p xanh th\u00fac \u0111\u1ea9y s\u1ef1 thay \u0111\u1ed5i. T\u00e1i s\u1eed d\u1ee5ng n\u01b0\u1edbc trong gi\u1eb7t gi\u0169.\u00a0gi\u1ecdt s\u1eed d\u1ee5ng b\u1edfi <\/b><\/strong>70%<\/b><\/strong>. Dung d\u1ecbch kh\u1eafc an to\u00e0n c\u00f3 th\u1ec3 thay th\u1ebf dung d\u1ecbch kh\u1eafc k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng. Th\u00eam c\u00e1c v\u1ebft c\u1eaft g\u00e2y l\u00e3ng ph\u00ed. N\u00f3 t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn t\u1eebng l\u1edbp m\u1ed9t. Kh\u00f4ng c\u1eaft b\u1ecf v\u1eadt li\u1ec7u.<\/p>\n

C\u00e1c v\u1eadt li\u1ec7u s\u00f3ng cao nh\u01b0 PTFE x\u1eed l\u00fd c\u00e1c cu\u1ed9c g\u1ecdi 5G. C\u00e1c l\u1edbp ph\u1ee7 m\u1ecfng gi\u00fap t\u0103ng \u0111\u1ed9 b\u1ec1n. Nh\u1eefng th\u1ee9 n\u00e0y nh\u1eefng ti\u1ebfn b\u1ed9 trong s\u1ea3n xu\u1ea5t PCB<\/strong>\u00a0Ph\u00f9 h\u1ee3p v\u1edbi IoT v\u00e0 xe \u0111i\u1ec7n. N\u01a1i c\u00e1c bo m\u1ea1ch ch\u1ecbu \u0111\u01b0\u1ee3c rung l\u1eafc v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n

K\u1ebft h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 li\u00ean k\u1ebft C\u00f4ng nghi\u1ec7p 4.0 ngay b\u00e2y gi\u1edd. B\u1ed9 c\u1ea3m bi\u1ebfn theo d\u00f5i \u0111\u1ed9 cao v\u00e0 l\u1ef1c \u0111\u1ea9y c\u1ee7a ch\u1ea5t l\u1ecfng. Gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. C\u00e1i nh\u00ecn to\u00e0n di\u1ec7n n\u00e0y gi\u00fap l\u00e0m r\u00f5 t\u1eebng b\u01b0\u1edbc. T\u1eeb l\u1eadp k\u1ebf ho\u1ea1ch \u0111\u1ebfn th\u1ef1c hi\u1ec7n.<\/p>\n

C\u00f4ng ty TNHH Thi\u1ebft b\u1ecb M\u00e1y m\u00f3c Th\u00e2m Quy\u1ebfn Qixingyuan: \u0110\u1ed1i t\u00e1c \u0111\u00e1ng tin c\u1eady c\u1ee7a b\u1ea1n trong l\u0129nh v\u1ef1c gia c\u00f4ng \u01b0\u1edbt PCB<\/b><\/strong><\/h2>\n

\"sponge<\/p>\n

 <\/p>\n

Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t m\u1ea1ch in PCB, vi\u1ec7c r\u1eeda ho\u1eb7c di chuy\u1ec3n kh\u00f4ng c\u1ea9n th\u1eadn th\u01b0\u1eddng g\u00e2y ra c\u00e1c l\u1ed7i nh\u01b0 d\u00ednh k\u00e9m ho\u1eb7c l\u00e0m h\u1ecfng bo m\u1ea1ch. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng chi ph\u00ed s\u1eeda ch\u1eefa l\u00ean \u0111\u1ebfn 30%. Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y xu\u1ea5t ph\u00e1t t\u1eeb c\u00e1c linh ki\u1ec7n c\u0169 kh\u00f4ng th\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n trong c\u00e1c b\u01b0\u1edbc l\u00e0m vi\u1ec7c \u01b0\u1edbt. N\u01a1i m\u00e0 axit, baz\u01a1 v\u00e0 chuy\u1ec3n \u0111\u1ed9ng nhanh l\u00e0m m\u00f2n c\u00e1c linh ki\u1ec7n nhanh ch\u00f3ng.<\/p>\n

Nguy\u00ean nh\u00e2n l\u00e0 do \u0111\u1ed3 d\u00f9ng b\u1ecb hao m\u00f2n v\u00e0 ph\u1ed1i \u0111\u1ed3 kh\u00f4ng \u0111\u00fang c\u00e1ch. V\u00ed d\u1ee5: c\u1ecd<\/u><\/a>\u00a0Gi\u1ecdt n\u01b0\u1edbc \u0111\u1eb7c l\u1ea1i theo th\u1eddi gian. Ch\u00fang \u0111\u1ec3 l\u1ea1i nh\u1eefng m\u1ea3nh v\u1ee5n. Cu\u1ed9n<\/u><\/a>\u00a0Tr\u01b0\u1ee3t d\u01b0\u1edbi s\u1ee9c n\u1eb7ng. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra \u0111\u01b0\u1eddng k\u1ebb sai. Kh\u1eafc ph\u1ee5c \u0111i\u1ec1u n\u00e0y c\u1ea7n c\u00e1c ph\u1ee5 t\u00f9ng thay th\u1ebf ch\u1eafc ch\u1eafn, v\u1eeba kh\u00edt, ch\u1ecbu \u0111\u01b0\u1ee3c axit, baz\u01a1 v\u00e0 t\u1ed1c \u0111\u1ed9 cao.<\/p>\n

C\u00f4ng ty TNHH Thi\u1ebft b\u1ecb M\u00e1y m\u00f3c Th\u00e2m Quy\u1ebfn Qixingyuan (Qixingyuan) l\u00e0 nh\u00e0 cung c\u1ea5p chuy\u00ean nghi\u1ec7p c\u00e1c ph\u1ee5 t\u00f9ng v\u00e0 linh ki\u1ec7n cho thi\u1ebft b\u1ecb x\u1eed l\u00fd \u01b0\u1edbt d\u00e2y chuy\u1ec1n ngang PCB. \u0110\u01b0\u1ee3c th\u00e0nh l\u1eadp v\u00e0o n\u0103m 2011, c\u00f4ng ty \u0111\u00e3 ph\u00e1t tri\u1ec3n t\u1eeb th\u01b0\u01a1ng m\u1ea1i sang s\u1ea3n xu\u1ea5t. C\u00f4ng ty t\u1eadp trung v\u00e0o vi\u1ec7c cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady cho c\u00e1c thi\u1ebft b\u1ecb kh\u1eafc, ph\u00e1t tri\u1ec3n v\u00e0 l\u00e0m s\u1ea1ch.<\/p>\n

Qixingyuan cho m\u1ed9t nh\u1ecbp nh\u01b0 con l\u0103n ch\u1ea3i<\/u><\/a>\u00a0\u0110\u1ec3 lo\u1ea1i b\u1ecf r\u1ec9 s\u00e9t hi\u1ec7u qu\u1ea3, con l\u0103n x\u1ed1p<\/u><\/a>\u00a0\u0111\u1ec3 h\u00fat n\u01b0\u1edbc nhanh, v\u00e0\u00a0b\u00e1nh r\u0103ng<\/u><\/a>\u00a0\u0110\u1ec3 v\u1eadn chuy\u1ec3n tr\u01a1n tru. Nh\u1eefng s\u1ea3n ph\u1ea9m n\u00e0y s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 nylon \u0111\u1ec3 u\u1ed1n cong v\u00e0 PP \u0111\u1ec3 ch\u1ed1ng g\u1ec9. Ch\u00fang \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n cao v\u00e0 s\u1ef1 \u0111\u1ed3ng b\u1ed9.\u00a0M\u1ed8T<\/u>dao ir<\/u>S<\/u><\/a>\u00a0ph\u00f9 h\u1ee3p v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00e2y chuy\u1ec1n \u0111\u00e3 thi\u1ebft l\u1eadp. Ch\u00fang c\u1eaft t\u1ec9a b\u1edfi <\/b><\/strong>20%<\/b><\/strong>\u00a0<\/b><\/strong>V\u1edbi kh\u1ea3 n\u0103ng t\u00f9y ch\u1ec9nh v\u1ec1 lo\u1ea1i giao di\u1ec7n (G1\/4, G1\/2), chi\u1ec1u d\u00e0i v\u00e0 chi\u1ec1u r\u1ed9ng khe h\u1edf kh\u00f4ng kh\u00ed. V\u1edbi ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng to\u00e0n c\u1ea7u t\u1eeb n\u0103m 2022, Qixingyuan cung c\u1ea5p h\u1ed7 tr\u1ee3 to\u00e0n di\u1ec7n, t\u1eeb kh\u00e2u ch\u1ecdn l\u1ef1a \u0111\u1ebfn d\u1ecbch v\u1ee5 h\u1eadu m\u00e3i. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c nh\u00e0 m\u00e1y ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3.<\/p>\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/b><\/strong><\/h2>\n

Ng\u00e0nh s\u1ea3n xu\u1ea5t m\u1ea1ch in (PCB) \u0111\u00e3 ti\u1ebfn b\u1ed9 r\u1ea5t nhi\u1ec1u. N\u00f3 k\u1ebft h\u1ee3p nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng v\u1edbi c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i. Nh\u1eefng b\u01b0\u1edbc ti\u1ebfp theo s\u1ebd t\u1eadp trung v\u00e0o c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00f4ng ngh\u1ec7 t\u1ef1 \u0111\u1ed9ng th\u00f4ng minh. H\u1ecd lu\u00f4n b\u1eaft k\u1ecbp xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7.<\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Printed circuit boards (PCBs) make up the core of today’s gadgets. Their making has changed a lot over many years. It fits the push for tiny, quick, and sturdy items. This piece looks at the evolution and development\u00a0of various stages in PCB manufacturing. It points out main steps forward and how they shape work ways.Shenzhen […]<\/p>","protected":false},"author":1,"featured_media":3775,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-3773","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/www.qxymachinery.com\/vi\/wp-json\/wp\/v2\/posts\/3773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qxymachinery.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qxymachinery.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qxymachinery.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qxymachinery.com\/vi\/wp-json\/wp\/v2\/comments?post=3773"}],"version-history":[{"count":3,"href":"https:\/\/www.qxymachinery.com\/vi\/wp-json\/wp\/v2\/posts\/3773\/revisions"}],"predecessor-version":[{"id":3822,"href":"https:\/\/www.qxymachinery.com\/vi\/wp-json\/wp\/v2\/posts\/3773\/revisions\/3822"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.qxymachinery.com\/vi\/wp-json\/wp\/v2\/media\/3775"}],"wp:attachment":[{"href":"https:\/\/www.qxymachinery.com\/vi\/wp-json\/wp\/v2\/media?parent=3773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qxymachinery.com\/vi\/wp-json\/wp\/v2\/categories?post=3773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qxymachinery.com\/vi\/wp-json\/wp\/v2\/tags?post=3773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

Qixingyuan ti\u00ean phong trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p m\u1edbi v\u1edbi c\u00f4ng t\u1eafc m\u1ee9c v\u00e0 \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t. c\u1ea3m bi\u1ebfn<\/u><\/a>\u00a0C\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn n\u01b0\u1edbc \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c. Ch\u00fang ng\u0103n ng\u1eeba s\u1ef1 c\u1ed1 tr\u00e0n v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n. C\u00e1c lo\u1ea1i ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a Qixingyuan ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn n\u01b0\u1edbc th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. Ch\u00fang gi\u1ea3m thi\u1ec3u s\u1ef1 gi\u00e1n \u0111o\u1ea1n v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh t\u1ef1 \u0111\u1ed9ng.<\/p>\n

C\u00e1c b\u01b0\u1edbc n\u00e0y li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn c\u00e1c c\u00e2y m\u1edbi. Di chuy\u1ec3n c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. b\u00e1nh r\u0103ng<\/u><\/a>\u00a0v\u00e0 c\u00e1c gi\u00e1 \u0111\u1ee1 gi\u00fap di chuy\u1ec3n c\u00e1c t\u1ea5m v\u00e1n m\u1ed9t c\u00e1ch tr\u01a1n tru. Kh\u00f4ng b\u1ecb d\u1eebng l\u1ea1i. V\u00f2i phun trong c\u00e1c thi\u1ebft b\u1ecb phun t\u1ea1o ra l\u1edbp s\u01a1n ph\u1eb3ng. B\u1ed9 l\u1ecdc<\/u><\/a>\u00a0Gi\u1eef cho h\u00f3a ch\u1ea5t s\u1ea1ch s\u1ebd.<\/p>\n