01020304
Kev Sib Piv ntawm Qhov Txawv ntawm IPC2 thiab IPC3 cov qauv
2024-06-13
| Kev Sib Piv ntawm Qhov Txawv ntawm IPC2 thiab IPC3 cov qauv | ||
| Kev sib piv ntawm qhov sib txawv ntawm IPC2 thiab IPC3 cov qauv rau cov PCBs tsheb: | ||
| Qib IPC qhia txog qib zoo ntawm txhua hom ntawv luam tawm Circuit Board, thiab qee lub tuam txhab tsim khoom siv hluav taws xob tsuas muaj peev xwm tsim cov khoom IPC thawj thiab thib ob. Hauv lub sijhawm luv luv, tej zaum yuav tsis muaj qhov sib txawv pom tseeb, tab sis dhau sijhawm, cov teeb meem zoo ntawm cov khoom yuav pom tseeb dua. Yog tias koj cov khoom yog qib kev lag luam thiab koj tsom mus rau tus nqi ntev ntawm cov khoom, thov nco ntsoov xaiv tus qauv qib siab dua. Cov qauv zoo suav nrog IPC1, IPC2, IPC3, GJB362C-2021, AS9100 | ||
| hlau plating (qhov chaw thiab qhov): nruab nrab tuab ntawm tooj liab | ||
| IPC2 | IPC3 | |
| ●20um | ●25um | |
| hlau plating (qhov chaw thiab qhov): min tuab ntawm tooj liab | ||
| IPC2 | IPC3 | |
| ●18um | ●20um | |
| cov voids sab hauv cov txheej plating tooj liab | ||
| IPC2 | IPC3 | |
| ● Yuav tsum tsis txhob muaj ntau tshaj ib qho khoob hauv lub qhov. ● Tus naj npawb ntawm cov qhov uas muaj cov khoob yuav tsum tsis pub tshaj 5%. ● Qhov ntev ntawm qhov khoob yuav tsum tsis pub tshaj 5% ntawm qhov ntev ntawm lub qhov. ● Lub kaum sab xis ntawm qhov khoob yuav tsum tsis pub tshaj 90°. | ● Yuav tsum tsis txhob muaj qhov khoob hauv qhov. | |
| Cov txheej txheem txheej txheem hauv cov txheej txheem txheej txheem tiav | ||
| IPC2 | IPC3 | |
| ● Yuav tsum tsis txhob muaj ntau tshaj 3 qhov khoob hauv lub qhov. ● Tus naj npawb ntawm cov qhov uas muaj qhov khoob yuav tsum tsis pub tshaj 5%. ● Qhov ntev ntawm qhov khoob yuav tsum tsis pub tshaj 5% ntawm qhov ntev ntawm lub qhov. ● Lub kaum sab xis ntawm qhov khoob yuav tsum tsis pub tshaj 90°. | ● Yuav tsum tsis txhob muaj ntau tshaj ib qho khoob hauv lub qhov, thiab tus naj npawb ntawm cov qhov uas muaj cov khoob yuav tsum tsis txhob ntau tshaj 5%. ● Qhov ntev ntawm qhov khoob yuav tsum tsis pub tshaj 5% ntawm qhov ntev ntawm qhov. ● Qhov ntev ntawm lub voj voog ntawm qhov khoob yuav tsum tsis pub tshaj 90°. | |
| Cov cai dav dav rau kev txheej saum npoo | ||
| IPC2 | IPC3 | |
| ●Qhov chaw sib tshooj ntawm cov tooj liab/txheej uas raug nthuav tawm yuav tsum tsis pub tshaj 1.25 hli. | ●Qhov chaw sib tshooj ntawm tooj liab/txheej uas raug nthuav tawm yuav tsum tsis pub tshaj 0.8 hli. | |
| cim kos duab | ||
| IPC2 | IPC3 | |
| ● Tsuav yog paub qhov dav ntawm kab uas tsim cov cim, nws tuaj yeem txo kom txog 50%. | ● Cov npoo ntawm cov kab uas tsim cov cim yuav raug tso cai rau qhov tsis sib xws me ntsis. | |
| Silkscreen los yog number case stamping cim | ||
| IPC2 | IPC3 | |
| ● Yog tias cov cim tseem ntshiab, cov kua mem yuav tsum tau muab tso rau sab nraud ntawm cov kab cim. ●Yog tias qhov kev taw qhia uas xav tau tseem meej, cov qauv ntawm lub cim kev taw qhia ntawm cov khoom tuaj yeem tiv taus kev sib cais parial. ● Cov kua mem uas siv los cim lub qhov ntawm daim ntaub nplaum yuav tsum tsis txhob nkag mus rau hauv lub qhov uas twb teeb tsa lawm los yog ua rau qhov dav ntawm sab xis qis dua qhov dav ntawm lub nplhaib uas tsawg kawg nkaus. | ● Yog tias cov cim tseem ntshiab, cov kua mem yuav tsum tau muab tso rau sab nraud ntawm cov kab cim. | |
| Kev zom cov dej qab zib | ||
| IPC2 | IPC3 | |
| ●Muaj ib daim duab soda strawing tshwm sim ntawm ntug ntawm tus qauv conductive, ua rau qhov sib nrug ntawm kab yuav tsum tsis qis dua qhov yuav tsum tau ua tsawg kawg nkaus. Tib lub sijhawm, daim duab soda strawing no yuav tsum tsis tau nthuav dav mus rau tag nrho ntug ntawm tus qauv conductive. | ●Tsis pub haus dej qab zib. | |
| Kev sib nrug ntawm kab | ||
| IPC2 | IPC3 | |
| ●Txhua qhov kev sib xyaw ua ke ntawm cov qhov tsis zoo xws li cov kab ntug ntxhib thiab cov ntsia hlau tooj liab yuav tsum tsis txhob ua rau txo qis ntau dua 30% ntawm qhov sib nrug tsawg kawg nkaus ntawm kab hauv thaj chaw cais tawm. | ●Txhua qhov kev sib xyaw ua ke ntawm cov qhov tsis zoo xws li cov kab ntug ntxhib thiab cov ntsia hlau tooj liab yuav tsum tsis txhob ua rau txo qis ntau dua 20% ntawm qhov sib nrug tsawg kawg nkaus ntawm kab hauv thaj chaw cais tawm. | |
| Qhov dav ntawm lub nplhaib sab nraud ntawm qhov txhawb nqa | ||
| IPC2 | IPC3 | |
| ●Qhov kev tawg yuav tsum tsis pub tshaj 90° thiab yuav tsum ua tau raws li qhov yuav tsum tau muaj qhov sib nrug tsawg kawg nkaus. ●Yog tias qhov txo qhov dav ntawm txoj kab hauv thaj chaw sib txuas ntawm lub ncoo solder thiab txoj kab tsis loj dua 20% ntawm qhov dav tsawg kawg nkaus ntawm txoj kab uas tau teev tseg hauv daim duab kos lossis lub hauv paus tsim khoom, qhov tawg -90 ° raug tso cai. Kev sib txuas ntawm txoj kab yuav tsum tsis pub tsawg dua 0.05 hli (0.0020 nti) lossis qhov dav tsawg kawg nkaus ntawm txoj kab, qhov twg me dua. | ●Lub qhov tsis nyob hauv nruab nrab ntawm lub solder pad, tab sis qhov dav ntawm lub nplhaib yuav tsum tsis pub tsawg dua 0.05 hli (0.0020 nti). ●Vim muaj qhov tsis zoo xws li qhov khawb, qhov av, qhov nkhaus, qhov pinholes lossis qhov oblique, qhov dav tsawg kawg nkaus ntawm lub nplhaib sab nraud hauv thaj chaw cais tawm raug tso cai kom txo tau 20%. | |
| Qhov dav ntawm lub qhov tsis txhawb nqa | ||
| IPC2 | IPC3 | |
| ●Qhov dav ntawm lub nplhaib qhov tsis tawg. | ●Qhov dav ntawm sab xis hauv txhua qhov kev taw qhia yuav tsum tsis pub tsawg dua 0.15 hli (0.00591 nti). Rau lub nplhaib qhov hauv thaj chaw inclined, vim muaj qhov tsis zoo xws li pitting, pits, notches, pinholes lossis oblique qhov, qhov dav tsawg kawg nkaus ntawm lub nplhaib sab nraud raug tso cai kom txo qis 20%. | |
| Kev khawb tsis zoo | ||
| IPC2 | IPC3 | |
| ●Qhov tsis zoo etching yuav tsum tsawg dua 0.025mm (0.000984in). | ●Qhov tsis zoo etching yuav tsum tsawg dua 0.013 hli (0.000512 nti). | |
| Qhov dav ntawm lub nplhaib sab hauv | ||
| IPC2 | IPC3 | |
| ● Qhov kev tawg yuav tsum tsis pub tshaj 90°. | ●Qhov dav tsawg kawg nkaus ntawm lub nplhaib yuav tsum tsis pub tsawg dua 0.025 hli (0.000984 nti). | |
| Cov nyhuv nqus ntawm lub hauv paus | ||
| IPC2 | IPC3 | |
| ●Qhov nqus ntawm lub plawv yuav tsum tsis pub tshaj 0.10 hli (0.0040 nti). | ●Qhov nqus ntawm lub plawv yuav tsum tsis pub tshaj 0.08 hli (0.0031 nti). | |
| Cov nyhuv nqus ntawm lub qhov cais tawm | ||
| IPC2 | IPC3 | |
| ●Qhov nqus ntawm lub plawv yuav tsum tsis pub tshaj 0.10 hli (0.0040 nti). | ●Qhov nqus ntawm lub plawv yuav tsum tsis pub tshaj 0.08 hli (0.0031 nti). | |
| Kev them nqi ntawm coverlay | ||
| IPC2 | IPC3 | |
| ● Yuav tsum muaj cov qhov uas nyob tau hauv qhov ncig ntawm tsawg kawg yog 270°. | ●Qhov dav tsawg kawg nkaus ntawm qhov uas tuaj yeem vuam tau ntawm tag nrho qhov ncig yog 0.13 hli (0.00512 nti). | |
| Qhov sib tshooj ntawm cov qhov sib txawv ntawm lub npog thiab lub rooj tsavxwm stiffener | ||
| IPC2 | IPC3 | |
| ● Yuav tsum muaj tsawg kawg ib lub nplhaib uas siv tau rau vuam hauv qhov ncig ntawm 270°. | ●Qhov dav tsawg kawg nkaus ntawm qhov uas tuaj yeem vuam tau ntawm tag nrho qhov ncig yog 0.13 hli. ●Rau qhov tsis muaj kev txhawb nqa, qhov dav ntawm lub nplhaib ntawm qhov uas tuaj yeem vuam tau yuav tsum tsis pub tsawg dua 0.25 hli. | |
| Kev sib txuas ntawm cov hlau tseem ceeb thiab phab ntsa qhov plated | ||
| IPC2 | IPC3 | |
| ●Qhov sib cais ntawm qhov chaw sib txuas yuav tsum tsis pub tshaj 20% ntawm qhov tuab ntawm lub plawv hlau. Yog tias siv lub plawv hlau tooj liab, yuav tsum tsis txhob muaj kev sib cais hauv qhov chaw sib txuas tooj liab. | ● Yuav tsum tsis txhob muaj kev sib cais ntawm qhov chaw sib txuas. | |
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