Raws li cov ntaub ntawv tseem ceeb ntawm PCB ntau lawm, qhov tseeb ntawm Gerber cov ntaub ntawv ncaj qha txiav txim siab smoothness ntawm cov txheej txheem ntau lawm thiab qhov zoo ntawm cov khoom tiav. Ua ntej xa cov ntaub ntawv mus rau kev tsim khoom, kev tshuaj xyuas tus kheej tuaj yeem zam qhov kev pheej hmoo xws li kev tsim khoom qeeb thiab cov nqi pov tseg los ntawm cov ntaub ntawv teeb meem. Cov nram qab no qhia txog 10 hom kev ua yuam kev hauv Gerber cov ntaub ntawv, thiab tshuaj xyuas qhov ua yuam kev tshwm sim thiab kho cov txheej txheem raws li cov xwm txheej tsim khoom tiag tiag, muab cov lus qhia meej rau kev kuaj xyuas tus kheej.
1, Txheej ploj lossis npe tsis meej pem: "Tsis muaj kev cai ua raws" hauv cov txheej txheem tsim khoom
Kev ua yuam kev
Cov ntaub ntawv tsis muaj cov txheej txheem tseem ceeb (xws li solder mask txheej, silk screen txheej, drilling txheej), los yog txheej naming tsis ua raws li cov qauv kev lag luam (xws li labeling "sab saum toj-level solder mask" li "Top1", "LayerA" thiab lwm yam vague names), uas ua rau nws nyuaj rau cov neeg ua hauj lwm ntau lawm kom paub meej lub zog ntawm txhua txheej thiab cuam tshuam cov txheej txheem kev twb kev txuas.
Kho txoj kev
Sib piv cov ntawv thov kev tsim khoom thiab xyuas ib qho los ntawm ib qho seb nws puas suav nrog cov txheej txheem tseem ceeb xws li sab saum toj tooj liab, hauv qab tooj liab, sab saum toj solder daim npog qhov ncauj, hauv qab solder mask, sab saum toj silk screen, hauv qab silk screen, drilling daim duab, milling outline daim duab, thiab lwm yam., kom tsis txhob muaj omissions;
Txais kev lag luam tus qauv naming hom xws li "Sab saum toj tooj liab", "Kab hauv qab Solder Mask", thiab "Drill Drawing" kom tsis txhob muaj kev cai ambiguous npe;
Yog tias siv software tshaj lij los tso tawm cov ntaub ntawv, "Layer Naming Verification" muaj nuj nqi tuaj yeem ua kom tau txais txiaj ntsig zoo rau cov qauv sau npe.
2, Misalignment ntawm drilling cov ntaub ntawv thiab tooj liab txheej: ua rau mismatch ntawm qhov chaw thiab Circuit Court
Kev ua yuam kev
Cov kev sib koom ua ke ntawm lub qhov nyob hauv daim duab drilling deviate los ntawm txoj hauj lwm ntawm cov ntaub so ntswg ntawm cov tooj liab txheej Circuit Court, ua rau muaj kev sib txawv ntawm cov ntaub qhwv thiab tsis muaj peev xwm ua kom cov khoom siv tau zoo tom qab tsim khoom. Nyob rau hauv cov xwm txheej hnyav, qhov no tuaj yeem ua rau cov conductivity ntawm Circuit Court puas.
Kho txoj kev
Siv cov cuab yeej saib cov ntaub ntawv los npog daim ntawv qhia drilling nrog cov txheej txheem tooj liab sib xws, saib seb lub qhov qhov chaw puas yog qhov nruab nrab ntawm cov ntaub qhwv, thiab yog tias muaj kev cuam tshuam, rov kuaj xyuas qhov sib xws ntawm qhov sib koom ua ke ntawm qhov sib koom ua ke thiab kev sib koom ua ke ntawm lub qhov rooj;
Xyuas seb puas muaj ib qho kev sib txawv ntawm qhov sib txawv los ntawm qhov chaw tsis raug (xws li kev tsis sib haum xeeb ntawm millimeters thiab inches), sib koom ua ke cov ntaub ntawv, thiab rov tso cov ntaub ntawv drilling;
Yog tias nws koom nrog ntau- txheej boards, nws yog ib qho tsim nyog yuav tsum paub meej tias daim duab kos muaj cov ntaub ntawv qhov chaw ntawm txhua txheej kom tsis txhob muaj kev sib raug zoo los ntawm cov ntaub ntawv asynchronous ntawm cov txheej.
3, Overlapping lossis tshaj ntawm ntug ntawm lub vijtsam luam ntawv cim: cuam tshuam rau kev nyeem ntawv ntawm kev txheeb xyuas thiab txiav ntau lawm
Kev ua yuam kev
Cov naj npawb ntawm cov khoom sib txuas (xws li R1, C2) thiab cov cim ntsuas tsis sib xws hauv cov ntawv lo lo ntxhuav txheej sib tshooj thiab tsis tuaj yeem txheeb xyuas meej meej; Los yog qee qhov ntawm cov cim silk screen dhau ntawm ntug ntawm PCB pawg thawj coj saib, thiab cov cim tau ploj lawm tom qab txiav.
Kho txoj kev
Zoom kom pom cov txheej txheem lo lo ntxhuav, kho qhov chaw ntawm cov cim sib tshooj lossis txo tus cwj pwm loj, kom ntseeg tau tias tus cwj pwm sib nrug tsis pub tsawg dua 0.1 hli kom paub meej nyeem ntawv;
Overlay cov txheej txheem milling thiab silk screen txheej, xyuas seb cov cim tshaj ntawm ntug ntawm lub rooj tsavxwm, txav cov cim ntau dhau ntawm lub rooj tsavxwm, thiab khaws cia tsawg kawg 0.2 hli ntawm kev txiav nyiaj;
Standardize tus font thiab font loj ntawm silk screen cim (xws li feem ntau siv 2.54mm × 1.27mm font loj) kom tsis txhob muaj teeb meem tshwm sim los ntawm font loj los yog me me dhau.
4, Mismatch ntawm solder mask qhov rais thiab solder ncoo: cuam tshuam vuam zoo
Kev ua yuam kev
Qhov chaw qhib qhov rais ntawm lub npog ntsej muag (piv txwv li thaj chaw raug cov ntaub qhwv ntsej muag) yog me dua qhov loj ntawm cov ntaub qhwv ntsej muag, ua rau cov ntaub qhwv lub ntsej muag yog ib feem los ntawm cov npog ntsej muag thiab tsis tuaj yeem raug soldered ib txwm; Yog tias qhov chaw qhib qhov rais loj dhau lawm, daim ntawv tooj liab ntau dhau yuav raug nthuav tawm, uas tuaj yeem ua rau muaj kev pheej hmoo ntawm luv luv.
Kho txoj kev
Overlay solder mask txheej thiab tooj liab txheej solder ncoo, paub meej tias lub qhov rais qhib cheeb tsam tag nrho cov ntaub so ntswg solder, thiab ntug tshaj qhov luaj li cas ntawm solder ncoo los ntawm 0.1-0.2mm (kev lag luam tus qauv reserved ntau yam);
Yog tias lub qhov rais me dhau, nthuav qhov sib thooj hauv cov txheej txheem ntawm daim npog ntsej muag; Yog tias qhov qhib qhov rais loj dhau, txo qhov qhib qhov rais mus rau tus qauv loj;
Xyuas seb puas muaj cov ntaub qhwv ntsej muag uas ploj lawm qhov rais (xws li qee qhov saum npoo mount tivthaiv cov ntaub qhwv tsis muaj lub ntsej muag lub qhov rais), thiab ntxiv cov ntaub ntawv qhov rai uas ploj lawm.
5, Milling txoj kev tsis raug kaw: tsis tuaj yeem ua kom tiav vaj huam sib luag txiav
Kev ua yuam kev
Txoj kev txiav nyob rau hauv daim duab milling daim duab muaj cov ntsiab lus tawg thiab tsis tsim kom tiav kaw contour. Thaum lub sij hawm tsim khoom, CNC milling cutter tsis tuaj yeem paub txog qhov ua tiav kev txiav, ua rau tsis xwm yeem lossis tsis tuaj yeem txiav ntawm cov phaj zoo.
Kho txoj kev
Siv cov cuab yeej saib cov ntaub ntawv los xyuas cov milling zoo li ntu ntu los ntawm ntu, nrhiav txoj haujlwm tawg, thiab ntxiv cov ntu ntu los ua ib qho kev kaw;
Paub meej tias seb puas muaj cov kab sib tshooj hauv txoj kev milling (piv txwv li ob txoj kev sib tshooj ntawm tib txoj haujlwm), tshem tawm qhov sib npaug kom tsis txhob rov txiav los ntawm lub tshuab txiav;
Xyuas seb qhov pib thiab xaus ntawm txoj kev sib tshooj tag nrho. Yog tias muaj qhov sib txawv me ntsis, kho cov kev tswj xyuas kom ntseeg tau tias muaj kev sib raug zoo.
6, Cov ntaub ntawv hom ntawv tsis sib xws: tsis tuaj yeem lees paub los ntawm cov software tsim khoom
Kev ua yuam kev
Cov ntaub ntawv tso tawm Gerber tau txais cov qauv qub (xws li RS-274-D), thaum lub software siv rau ntawm qhov kawg nkaus xwb txhawb nqa cov qauv tshiab (xws li RS-274-X), uas ua rau cov ntaub ntawv tsis tuaj yeem raug xa tawm kom zoo thiab kev tsim khoom tsis tuaj yeem nqa tawm.
Kho txoj kev
Paub meej cov ntaub ntawv hom ntawv txhawb nqa los ntawm cov chaw tsim khoom, thiab ua ntej xaiv cov qauv kev lag luam RS-274-X hom ntawv (nrog rau cov ntaub ntawv tiav xws li txheej txheej, chav nyob, kev tswj hwm, thiab lwm yam);
Yog tias cov ntaub ntawv qub qub tau tso tawm, siv lub cuab yeej hloov dua siab tshiab los hloov kho nws mus rau RS-274-X hom ntawv, thiab xyuas seb cov ntaub ntawv hloov dua siab tshiab puas tiav;
Thaum tso tawm cov ntaub ntawv, qhia cov hom ntawv version hauv lub npe (xws li "PCB_Gerber_RS274X") txhawm rau pab txhawb kev txheeb xyuas sai los ntawm kev tsim khoom kawg.
7, Ntau cov xov hlau seem nyob hauv txheej tooj liab: ua rau muaj kev pheej hmoo ntawm luv luv Circuit Court
Kev ua yuam kev
Muaj cov kab ntau dhau thiab cais cov tooj liab hauv cov txheej tooj liab uas tsis tau muab tshem tawm (cov chaw tooj liab uas tsis txuas nrog lwm cov circuits), uas tuaj yeem yooj yim ua rau Circuit Court luv luv lossis teeb liab cuam tshuam tom qab tsim khoom, cuam tshuam rau PCB kev ua haujlwm.
Kho txoj kev
Txhim kho cov ntsiab lus ntawm cov txheej tooj liab, xyuas txhua cheeb tsam kom tsis muaj txiaj ntsig cov kab uas tsis muaj qab hau thiab cais cov tooj liab blocks, thiab manually tshem tawm cov khoom seem;
Ua kom lub "Isolation Copper Detection" muaj nuj nqi ntawm cov ntaub ntawv saib cov cuab yeej kom tau txais kev txheeb xyuas thiab kos cov chaw tooj liab cais rau kev ntxuav batch;
Tshawb xyuas seb qhov tooj liab txheej Circuit Court puas ua raws li cov kev cai qub kom tsis txhob ntxiv cov khoom siv hluav taws xob ntxiv vim kev ua haujlwm tsis raug.
8, Drilling cim tsis sib haum rau lub rooj drilling: tsis tuaj yeem phim qhov hom thiab qhov loj me
Kev ua yuam kev
Cov cim drilling hauv daim duab kos (xws li "○" thiab "□" sawv cev rau ntau hom qhov sib txawv) tsis sib xws cov cim piav qhia hauv lub rooj drilling (xws li "○" sawv cev rau lub voj voos hauv lub rooj drilling, tab sis "○" cim cov square qhov hauv daim duab drilling), uas ua rau muaj kev xaiv tsis raug ntawm cov khoom siv drilling.
Kho txoj kev
Xyuas ib tug los ntawm ib tug seb cov cim nyob rau hauv lub drilling daim duab yog tag nrho raws li cov cim, aperture, thiab kom muaj nuj nqis nyob rau hauv lub rooj drilling, thiab tam sim ntawd kho tej yam tsis sib haum uas pom;
Xyuas kom meej tias lub rooj drilling muaj cov ntaub ntawv tiav (cov cim, aperture, kom muaj nuj nqis, lub hom phiaj, xws li "lub qhov puag ncig, 0.8mm, 20 qhov, ntsaws- hauv qhov") kom tsis txhob muaj cov ntaub ntawv ploj lawm;
Yog hais tias muaj ntau hom drilling qhov (xws li puag ncig lub qhov, square qhov, thiab qhov qhov), siv cov xim sib txawv los yog kab hom kom paub qhov txawv ntawm lawv nyob rau hauv daim duab drilling kom yooj yim correspondence nrog lub rooj drilling.
9, Rov qab los yog mirrored txhob lo lo ntxhuav screen cim: tsis raug qhia txog kev taw qhia
Kev ua yuam kev
Cov cim lo lo ntxhuav hauv qab tshwm nyob rau hauv rov qab los yog mirrored lub xeev (xws li "R1" displaying li "1R" los yog flipping sab laug thiab sab xis), uas ua rau nws nyuaj rau cov neeg ua hauj lwm kom raug txheeb xyuas cov qauv kev tivthaiv thaum lub sij hawm tom ntej soldering, ua rau incorrectly soldering.
Kev ua yuam kev
Txheeb xyuas cov kab lo lo ntxhuav sab saum toj thiab hauv qab sib cais, thiab paub meej tias lub ntsej muag txhob lo lo ntxhuav hauv qab tau teeb tsa "daim iav" tus cwj pwm (cov cim hauv qab yuav tsum tau tsom iav, thiab tsuas yog thaum lub vuam nto tau saib tom qab tsim khoom, nws yuav nyob rau hauv cov kev taw qhia pem hauv ntej);
Yog tias cov cim hauv qab tsis tau mirrored, pab kom muaj nuj nqi mirroring ntawm lub hauv paus txhob lo lo ntxhuav npo hauv cov ntaub ntawv; Yog tias muaj ntau qhov mirroring vim yog kev ua haujlwm tsis raug (xws li mirroring nyob rau sab saum toj), tshem tawm qhov tsis tsim nyog mirroring chaw;
Sau silk screen txheej drawings, simulate qhov tseeb vuam nto foundations xyuas tus cwj pwm kev taw qhia thiab xyuas kom meej nyeem tau.
10, Tsis muaj cov ntaub ntawv tseem ceeb: cuam tshuam rau kev lees paub ntawm cov ntaub ntawv ntau lawm
Kev ua yuam kev
Cov ntaub ntawv tsis muaj cov ntaub ntawv tseem ceeb (xws li PCB pawg thawj coj saib tuab, cov khoom yuav tsum tau ua, txoj kev kho saum npoo, qhov kev ua siab ntev), thiab qhov kawg ntawm cov khoom siv tsis tuaj yeem txiav txim siab qhov kev tsim khoom, xav tau kev sib txuas lus thiab kev pom zoo, uas ncua sij hawm ntau lawm.
Kho txoj kev
Ntxiv cov ntaub ntawv pabcuam rau cov txheej txheem lo lo ntxhuav lossis ib qho "txheej txheej qhia", nrog rau cov lus piav qhia xws li "phaj thickness: 1.6mm", "material: FR4", "surface treatment: immersion gold", "tolerance: ± 0.1mm", thiab lwm yam;
Cov ntaub ntawv pabcuam yuav tsum tau cim kom meej meej nyob rau hauv qhov chaw dawb huv hauv lub rooj tsavxwm (tsis muaj kev cuam tshuam rau lub voj voog thiab cov khoom siv) kom tsis txhob sib tshooj nrog lwm cov ntaub ntawv txheej;
Yog tias muaj ntau cov ntaub ntawv pabcuam, cais "cov ntaub ntawv qhia kev tsim khoom" tuaj yeem tsim thiab xa ua ke nrog cov ntaub ntawv Gerber kom paub meej cov ntaub ntawv tiav.