Zoo siab txais tos rau Shenzhen Hengda Electronics Limited

PCB muaj rab peev xwm

PCB Cov Txheej Txheem Ua

01

02_ 副本 03_ 副本

 

 

Standard PCB tuition - Standard PCB

Pawg Tsis Cov khoom PCB txheej txheem tsis lus hais
Qhov txheej txheem Medium nyuaj High nyuaj  
Tsis yog-tus qauv saib xyuas Tsis tau ua  
khoom hom 1 Multilayer PCB Khaubncaws sab nraud povtseg 3L≤Layers≤16L 18L≤Layers≤24L ≥24L    
2 Qhov muag tsis pom thiab Faus Vias HDI (1 + 1 + .... + N + ...... + 1 + 1) Anylayer HDI HDI (2 + ... + N ... + 2)   Yog hais tias sib ntsib yuav tsum 2, 6, thiab 19 nyob rau tib lub sij hawm, nws yog dej num raws li ib tug siab yuav tsum tau product (thickness rau txoj kab uas hla ratio, tooj liab thickness ntawm qhov)
3 Deg Txheej HASL (+ kub ntiv tes), immersion kub, Immersion Kub + kub tus ntiv tes nrog nyuaj kub, OSP (+ kub ntiv tes nrog nyuaj kub), Immersion Tin (+ kub ntiv tes nrog nyuaj kub) (Tsis ob tug sib txawv nto finish), Immersion Tin Local immersion kub (ntev ntev los yog luv luv kub ntiv tes, segmented kub ntiv tes khoom siv tes ua) Ntau tshaj no ntau yam yuav tsum tau unconventional dab ntau lawm   Ib nrab immersion kub, thickness ntawm kub los yog npib tsib xee siv rau lub thickness ntawm cov txheej
4 Board khoom FR-4; txhuas, Rogers4 series + FR-4 mixed (Lub Prepreg yog ShengYi hom thiab ROGERS4403 series); CEM-3, LianMao IT158 / IT180A Ntshiab ROGERS4 series multi-txheej board (Prepreg yog 4450F), PTFE, txhuas + FR4, PTFE + FR4 Ntau tshaj no ntau yam yuav tsum tau unconventional dab ntau lawm Ntshiab PTFE multi-txheej board Ntshiab PTFE yuav tsis tau vim hais tias cov lamination kub yog tsis mus txog rau tus qauv, tau tsis laminate Rogers tooj liab ci ncaj qha
hnyiab 5 Laum txoj kab uas hla NC laum 0.20mm≤Drill diameter≤6.5mm Ntau tshaj 6.0 hli siv CNC milling
qhov txoj kab uas hla 0.2 hli: nyiaj pab ntau tshaj board thickness 1.6mm
qhov txoj kab uas hla txoj kab uas hla 0.25mm: nyiaj pab ntau tshaj board thickness 2.0mm,
qhov txoj kab uas hla 0.3mm≤Ф≤0.35mm, ntau board thickness 3.2 hli,
qhov txoj kab uas hla 0.4mm≤Ф≤0.55mm, ntau board thickness 4.8 hli,
qhov txoj kab uas hla> 0.55mm tshaj plaws board thickness 6.4 hli
6.5hli los yog ntau tshaj ± 0.1mm ≤ qhov txoj kab uas hla kam (siv CNC milling rau 6.5hli los yog ntau tshaj) Lub laum txoj kab uas hla ntau tshaj 6.0 hli, lub qhov kab uas hla kam tsawg tshaj li ± 0.1mm. Yog hais tias ntau tshaj no ntau yuav tsum tau unconventional dab ntau lawm   Laum txoj kab uas hla hauv qab no 0.2 hli, thiab cov nam ratio≥10, uas yog nruab nrab teeb meem
6 Thickness rau txoj kab uas hla piv Thickness rau txoj kab uas hla ratio≤8 8 10 Thickness rau txoj kab uas hla piv ntau dua tshaj 12 thaum lub aperture tsis tau compensated Yog hais tias yuav tsum tau raws li cov uas yuav tsum tau ntawm 2, 6, thiab 19, nws yuav tsum treat raws li high school yuav tsum tau cov khoom.
7 Countersink qhov txoj kab uas hla 3.0mm≤hole diameter≤6.5mm   Unconventional ntau lawm tshaj no ntau   Countersink tob kam yog tshuaj 0.15mm
lub 90 °   Unconventional ntau lawm tshaj no ntau  
8 Qhov txoj hauj lwm tolerances ± 0.075mm   ± 0.05mm <+ />-0.05mm  
9 qhov txoj kab uas hla kam PTH ± 0.075mm los yog tsis muaj neeg yuav tsum tau ± 0.05≤ qhov txoj kab uas hla kam <± 0.75mm <± 0.05mm <+ />-0.05mm Metallized qhov txoj kab uas hla siab tev taus ntawm 6.0 hli los yog ntau tshaj yog hais txog cov yuav tsum tau serial tooj 5
NPTH ≥ ± 0.075mm   <± 0.05mm <+ />-0.025mm
Tshwj xeeb qhov pressfit ≤ ± 0.05 \ \    
uas tsis yog-plated Countersink / Counterbore qhov (NPTH) qhov txoj kab uas hla <10 hli: kam ± 0.15mm, qhov = ± 0.15mm, qhov txoj kab uas hla = txoj kab uas hla ≥10mm: kam = ≥10mm: kam ± = ± 0.20mm = 0.20mm \ \    
uas tsis yog-plated Countersink / Counterbore qhov (NPTH) qhov txoj kab uas hla <10 hli: kam ± 0.2 hli = ± 0.2 hli
qhov txoj kab uas hla ≥10mm: kam + 0.3mm
\ \    
10 Qhov mus qhov yov tivthaiv qhov ≥10MIL 8≤Hole rau qhov spacing≤10 7≤Hole rau qhov spacing≤8 <7mil  
ntawm (≤0.45mm) ≥8MIL        
11 Qhov (Ntuag-tawm) Qhov dav Plated qhov ≥0.5mm
Tsis-plated qhov ≥0.8mm
\ \   Ntau tshaj 1.0mm, yuav ua tau qhov los ntawm lub tshuab
Length rau dav piv ntawm qhov Length rau width≥2 Length rau dav <2      
12 Castellated Holes Castellated Holes txoj kab uas hla ≥0.5mm 0.5mm> diameter≥0.4mm \    
Castellated Qhov yov (ntug rau ntug) ≥0.3mm 0.3mm> diameters≥0.2mm \    
  13 Yam tsawg kawg nkaus rho tawm lub nplhaib ntawm puab txheej,
Qhov kev ncua deb ntawm yam tsawg kawg nkaus qhov nyob rau hauv puab txheej thiab Circuit Court (ua ntej them nyiaj)
4L ≥7MIL 6MIL≤isolation nplhaib, nyob deb li <7mil 5MIL≤isolation nplhaib, nyob deb li <6mil   Yog hais tias qhov luaj li cas ntawm ib sab yog ntau tshaj 600MM, lub puab qhov mus kab thiab lub qhov rau tooj liab yov yuav tsum ntau dua los yog sib npaug rau 15mil. Yog hais tias tsawg tshaj li 15mil, nws yuav tsum tau kho raws li unconventional xyuas. Cov pa txheej txheem ntawm 10 khaubncaws sab nraud povtseg los yog ntau tshaj yuav tsum tau incremented los ntawm 1 mil rau txhua ntxiv 2 khaubncaws sab nraud povtseg. Hloov cov kev rho tawm nplhaib rau 12mil los yog ntau tshaj li ntau li ntau tau
  6L ≥8MIL 6.5MIL≤isolation nplhaib, nyob deb li <8mil 6MIL≤isolation nplhaib, nyob deb li <6.5mil  
  8L ≥9MIL 7MIL≤isolation nplhaib, nyob deb li <9mil 6MIL≤isolation nplhaib, nyob deb li <7mil  
  ≥10L ≥10MIL 8MIL≤isolation nplhaib, nyob deb li <10mil <9MIL 7MIL≤isolation nplhaib, nyob deb li <8mil  
duab hloov lwm lub tsev 14 Lub min dav / yov ntawm puab txheej (ua ntej them nyiaj) Cooper thickness 18um ≥4 / 4 mil ≥4 / 3.5 mil   <3.5 /> 3 mil dav / yov
Cooper thickness 35um ≥4 / 5 mil ≥4 / 4 mil   <3.5 /> 4 mil dav / yov
Cooper thickness 70um ≥6 / 8mil ≥6 / 7mil   <5 /> 6 mil dav / yov
Cooper thickness 105um ≥8 / 11 mil ≥8 / 10 mil   <6 /> 9 mil dav / yov
15 Lub min dav / yov ntawm txheej txheej (ua ntej them nyiaj) Cooper thickness 18um ≥4 / 5 mil ≥4 / 4 mil los yog qhov chaw 3.5 / 3.5mil   <3.5 />3.5 mil Local 3.5 / 3.5mil, tsuas qhov kev ncua deb ntawm lub GBA nti cheeb tsam kab mus rau lub NCOO
Cooper thickness 35um ≥5 / 6 mil ≥5 / 5 mil   <4 /> 4 mil  
Cooper thickness 70um ≥7 / 8mil ≥6 / 7mil   <5 /> 6 mil  
Cooper thickness 105um ≥10 / 12 mil ≥8 / 10 mil   <6 /> 9 mil  
16 daim phiaj txoj lw dav / yov Cooper thickness 18um ≥7 / 9 mil ≥6 / 8 mil   <6 /> 7 mil  
Cooper thickness 35um ≥9 / 11 mil ≥8 / 10 mil   <8 /> 9 mil  
Cooper thickness 70um ≥11 / 13mil ≥10 / 12mil   <10 /> 11 mil  
Cooper thickness 105um ≥13 / 15 mil ≥12 / 14 mil   <12 /> 13 mil  
17 Yam tsawg kawg nkaus weld nplhaib (txheej txheej) Cooper thickness 18um ntawm qhov ≥5mil ≥4mil <3 mil = mil    
tivthaiv qhov ≥8mil ≥6mil <6 mil = mil    
Cooper thickness 35um ntawm qhov ≥5mil ≥4mil <3 mil = mil    
tivthaiv qhov ≥10mil ≥8mil <8 mil = mil    
Cooper thickness 70um ntawm qhov ≥7mil ≥6mil <5 mil = mil    
tivthaiv qhov ≥12mil ≥10mil <10 mil = mil    
Cooper thickness 105um ntawm qhov ≥8mil ≥6mil <6 mil = mil    
tivthaiv qhov ≥14mil ≥12mil <12 mil = mil    
18 dav kam   dav kam: ≥ ± 20% ± 10% ≤ dav kam: <± 20% <± 10%   yov yuav tsum tau raws li cov uas yuav tsum tau ntawm 11 thiab 12, lf dav yog ntau tshaj 15mil, tswj los ntawm ± 2.5mil
BGA ncoo txoj kab uas hla huab cua kub leveling (thawj) ≥12MIL ≥10MIL   <8mil  
immersion kub (thawj) diameter≥11mil 8.0mil≤diameter <11.0mil   <6mil  
19 Kab rau board ntug deb CNC milling 0.25mm 0.20mm <0.20mm    
SMT dav   ≥12mil ≥9mil <9mil 以下   <7mil, tsuas yog cov = cov losis tswvyim dabtsi = losis tswvyim dabtsi board = board
Hlau plating 20 Plating Thickness (μin) Electroless npib tsib xee-Immersion kub, ENIG Nickel thickness 100-150 μin 200 μin      
kub thickness 1-8 μin     > 8 μin  
Tag nrho cov board kub plating Nickel thickness 100-150 μin   200-500 μin   Kev txiav txim center xyuas zaum kawg nqi
kub thickness 1-10 μin 10-50 μin   > 50 μin
kub ntiv tes Nickel thickness 120-150 μin   200-400 μin  
kub thickness 1-30 μin 30-50 μin   > 50 μin
21 Qhov tooj liab thickness (μm) Los ntawm qhov 18-25 μm 30-50 μm > 50 μm   Yog hais tias 2,6,19 yog yuav tsum tau nyob ua ib ke nyob rau tib lub sij hawm, nws yuav kho tau raws li high school yuav tsum tau. Lub thickness ntawm cov tooj liab yog 25-50UM, thiab cov thickness ntawm cov tooj liab yuav tsum tau yuav tsum tau 2-3OZ feem ntau.
Qhov muag tsis pom qhov (cov neeg kho tshuab qhov) 18-25 μm 30-50 μm > 50 μm
faus qhov 15-25 μm 30-50 μm > 50 μm
22 Qab tooj liab thickness Puab thiab txheej tooj liab thickness (OZ) 0.5-4 4-6   > 6  
solder daim npog qhov ncauj 23 solder daim npog qhov ncauj ntsuab solder daim npog qhov ncauj qhib (mil) ≥2mil 1.5 1   1mil yog tsuas yog feeb meej nyob rau hauv lub BGA cheeb tsam. Yog hais tias lub qhov rais yuav tsum tsam, ua rau kom nws ntau li ntau tau, tab sis lub siab tshaj plaws yog 3mil
ntsuab solder daim npog qhov ncauj Choj (mil) Cooper thicknesss <2oz 4 (yov ntawm ICS yog 8 mil, ntsuab roj), variegated los yog dub oil≥4.5mil 3-4 (yov ntawm ICS yog 7-8 mil, ntsuab roj), variegated los yog dub oil≥4mil      
Cooper thicknesss≥2OZ 5 4      
Plug Qhov txoj kab uas hla 0.20mm≤hole diameter≤0.40mm, plug qhov fullness 70% 0.4mm <qhov txoj kab uas hla ≤0.70mm fullness 100%    
Plug Qhov Rooj Tswjhwm Saib cov thickness 0.40mm≤board thickness≤2.4mm > 2.4MM      
24 solder daim npog qhov ncauj solder daim npog qhov ncauj xim Green, matt ntsuab, xiav, liab, dub, matte dub, dawb, daj \ \   Tshwj xeeb xim yuav tsum tau muas los yog deployed nyob rau hauv ua ntej
silkscreen 25 Etched silkscreen (tiav lawm tooj liab thickness) Tooj thickness 18um lo lus dav / lo lus siab 8MIL / 40MIL 7MIL / 35MIL      
Tooj thickness 35um lo lus dav / lo lus siab 9MIL / 40MIL 8MIL / 35MIL      
Tooj thickness 75um lo lus dav / lo lus siab 12MIL / 60MIL 10MIL / 50MIL      
Tooj thickness 105um lo lus dav / lo lus siab 16MIL / 60MIL 14MIL / 50MIL      
tus qauv npaj ua 26 Maximum board thickness Ob chav PCB 3.2MM 4.5MM > 4.5MM   xam los ntawm 4 khaubncaws sab nraud povtseg yog hais tias tus thickness ntau tshaj 3 hli
Multilayer txheej board 3.2MM 4.5MM > 4.5MM    
27 Yam tsawg kawg nkaus board thickness (hluas thiab ob chav vaj huam sib luag hais txog substrate thickness) Nkaus xwb los yog ob npaug sab PCB (PCB tsab) ≥0.3mm 0.25mm      
4L ≥0.60mm 0.40mm <0.40mm    
6L ≥0.9mm 0.70mm <0.70mm    
8L ≥1.20mm 1.00mm <1.00mm    
10L ≥1.40mm 1.20mm <1.20mm    
12L ≥1.70mm 1.50mm <1.50mm    
14L ≥2.00mm 1.80mm <1.80mm    
28 thickness (T) kam MM (multilayer txheej PCB) T≤1.0 ± 0,10   Yuav tsum rov xyuas dua yog tias tsawg tshaj li tus kam   Yog hais tias lub kam yog unilateral kam rau ua, lub kam yuav tsum muab ob npaug rau kam rau tus nqi, xws li: 1.8mm yuav tsum tau zoo kam rau ua, lub kam yuav 0-0.36mm
1.0 <t≤1.6 <td = ""> ± 0,13  
1.6 <t≤2.5 <td = ""> ± 0,18  
2.5 <t≤3.2 <td = ""> ± 0,23  
T≥3.2 ± 8%  
29 Maximum tiav lawm board loj Tib thiab ob sab PCB 508 × 610mm Tshaj no ntau yuav tsum tau rov los xyuas dua    
Multilayer Txheej PCB 508 × 600mm
30 Yam tsawg kawg nkaus lawm PCB loj   ≥20mm 10mm≤Size <20mm <10 hli    
31 Beveling rau kub ntiv tes Bevel lub 20 ° 30 ° 45 ° 60 °   <20 ° los yog> 60 °    
Bevel lub kam > ± 5 ° ± 5 ° <± 5 °    
Bevel tob kam tolerance≥ ± 0.15mm ± 0.15mm <kam ≤ ± 0.1mm kam rau ua <± 0.10mm    
32 zoo kam   tolerance≥ ± 0.15mm ± 0.10mm≤tolerance <± 0.15mm   Kam <± 0.10mm los yog = los yog ntau tshaj = ntau tshaj = tshaj ob = ob daim ntawv = daim ntawv daim ntawv = daim ntawv daim ntawv = daim ntawv daim ntawv = daim ntawv daim ntawv = daim ntawv daim ntawv = daim ntawv daim ntawv = daim ntawv daim ntawv = daim ntawv kam = kam tswj = tswj  
33 V-CUT lub 20 ° 30 ° 45 ° 60 °        
Lub Maximum tooj ntawm V-CUT Nyob rau hauv 20 lub sij hawm Nyob rau hauv 30 lub sij hawm Nyob rau hauv 40 lub sij hawm    
Dav ntawm cov zoo lawm 80MM <dav <560mm 60MM <dav <80mm dav <60mm    
Rooj Tswjhwm Saib cov thickness 0.6MM ≦ thickness ≦ 2.4MM 0.5MM ≦ thickness <0.6mm thickness <0.5mm los yog = los yog thickness = thickness> 2.4MM   hauv qab no 0.5mm yog ib leeg-tog V-CUT
seem thickness ≥0.25MM     <0.25mm  
V-CUT Pa V-CUTT, V-CUT: Hla V-CUT \ \    
lwm leej lwm tus 34 vaj huam sib luag loj Qhov tsawg kawg nkaus vaj huam sib luag loj ≥100 * hli 120 \ <100 * hli 120   Lub thickness ntawm lub tiav lawm lub rooj tsavxwm yog tsawg tshaj li 0.4MM, lub vaj huam sib luag loj tsis pub dhau 14inch, thiab lub siab tshaj plaws loj ntawm lub HASL PCB yuav tsis pub tshaj 24inch
lub Maximum vaj huam sib luag loj ≤20 * 24 nti \ Yuav tsum rov xyuas dua yog tias tshaj ntau yam  
35 impedance tswj Impedance tswj kam ± 10%, 50Ω thiab hauv qab no: ± 5Ω \ <± 10%, 50ω thiab = thiab hauv qab no = hauv qab no <± 5Ω    
hneev nti thiab twist hneev nti thiab twist kam hneev nti thiab twist≥0.75% 0.75% ≤bow thiab twist≤0.5% hneev nti thiab twist <0.5%   asymmetry boards hneev thiab twist kam 1.2%
36 HASL ua muaj peev xwm tivthaiv qhov txoj kab uas hla qhov txoj kab uas hla> 0.5mm 0.4mm≤hole diameter≤0.5mm      
Rooj Tswjhwm Saib cov thickness 0.5mm≤board thickness≤3.5mm 0.4mm≤board thickness <0.5mm      
thickness 2um≤thickness ntawm Tin≤30um \ \    
37 txais kev Cai IPC txheem IPC2 theem txheem IPC Theem 3 standard