Luam Circuit Board (PCB) yog luv rau Luam Circuit Board. Feem ntau hauv cov khoom siv rwb thaiv tsev, raws li kev tsim ua ntej, ua los ntawm cov ntawv luam tawm, luam tawm cov khoom lossis ua ke ntawm ob qho tib si cov duab kos npe hu ua luam tawm Circuit. Nws tshwm sim yuav luag txhua yam khoom siv hluav taws xob uas peb tuaj yeem pom tsis tuaj yeem ua tsis tau nws, me me rau hluav taws xob saib, lub laij lej, khoos phis tawj dav, mus rau khoos phis tawj, sib txuas lus cov khoom siv hluav taws xob, kev siv riam phom tub rog, tsuav yog muaj cov khoom siv sib txuas thiab lwm yam khoom siv hluav taws xob, kev sib txuas hluav taws xob ntawm lawv txhua tus xav tau siv PCB.

Cov duab hluav taws xob ntawm cov hluav taws xob sib txuas ntawm cov khoom siv tau muab rau hauv cov insulating substrate hu ua luam tawm Circuit. Ua li no, daim ntawv luam tawm lossis kab ntawv luam tawm ntawm lub rooj tsav khoom tiav tau hu ua luam tawm Circuit board, tseem hu ua daim txiag luam ntawv lossis luam tawm Circuit board. Nws muab cov cuab yeej txhawb nqa rau kev sib dhos ruaj khov ntawm ntau yam khoom siv hluav taws xob xws li kev sib txuas ua ke, paub txog kev txuas thiab hluav taws xob txuas lossis hluav taws xob rwb thaiv tsev ntawm ntau yam khoom siv hluav taws xob xws li kev sib txuas ua ke, thiab muab cov yam ntxwv hluav taws xob, xws li yam ntxwv tsis zoo, thiab lwm yam. Nyob rau tib lub sijhawm los muab cov kab hluav taws xob tsis zoo tuaj yeem thaiv teeb; Muab cov cim cim thiab cov duab rau kev teeb tsa, tshuaj xyuas thiab kho.

PCBS ua li cas? Thaum peb qhib tus ntiv tes xoo ntawm lub khoos phis tawj lub hom phiaj, peb tuaj yeem pom cov zaj duab xis mos (hloov tau yooj yim insulating substrate) luam tawm nrog nyiaj-dawb (nyiaj muab tshuaj txhuam) ua cov duab ua duab thiab muaj peev xwm ua tau. Vim tias txoj hauv kev luam ntawv dav dav kom tau txais daim duab no, yog li peb hu rau daim ntawv luam tawm Circuit board no hloov pauv tau cov nyiaj muab tshuaj luam tawm Circuit Board. Sib txawv los ntawm cov niam ntawv, daim npav duab, daim npav network, modems, daim npav suab thiab cov ntawv luam tawm Circuit Court ntawm cov khoom siv hauv tsev peb pom hauv Computer City. Cov khoom siv hauv paus yog siv los ntawm cov ntawv hauv paus (feem ntau yog siv rau ib sab) lossis iav daim ntaub puag (feem ntau siv rau ob sab thiab ntau txheej), ua ntej tsis tau muab tshuaj phenolic lossis epoxy cob ua ntej, ib lossis ob sab ntawm cov nplaim nplaum nrog phau ntawv tooj liab thiab tom qab ntawd laminated kho. Lub rooj sib tham zoo li no npog cov ntawv tooj liab tooj liab, peb hu nws ua pawg nruj. Tom qab ntawd peb ua cov ntawv luam tawm Circuit Board, peb hu nws ua cov ntawv luam tawm Circuit Board nruj. Ib daim ntawv luam tawm Circuit Board nrog cov ntawv luam tawm Circuit ntawm ib sab yog hu ua ib leeg-sab luam tawm Circuit board, thiab daim ntawv luam tawm Circuit board nrog luam tawm cov duab hluav taws xob ntawm ob sab yog sib cuam tshuam ntawm ob sab los ntawm cov hlau ua haujlwm ntawm qhov, thiab peb hu nws ua ob npaug -paub. Yog tias siv ob txheej txheej, ob txoj hauv kev rau txheej txheej lossis ob txheej ob txheej, ob ntu ntawm ib txheej txheej ntawm cov ntawv luam tawm hauv Circuit Court, dhau los ntawm txoj haujlwm tso rau thiab hloov cov rwb thaiv tsev cov ntaub ntawv nplaum thiab cov duab sib txuas ua ke raws li tsim qhov xav tau ntawm luam tawm Circuit pawg thawj coj ua plaub, rau txheej txheej luam tawm Circuit board, tseem hu ua multilayer luam tawm Circuit board. Tam sim no muaj ntau dua 100 txheej ntawm cov tswv yim luam tawm Circuit board.

Cov txheej txheem tsim khoom ntawm PCB yog qhov nyuaj, uas cuam tshuam nrog ntau yam txheej txheem, los ntawm kev siv tshuab yooj yim mus rau cov txheej txheem kho tshuab nyuaj, suav nrog cov tshuaj lom neeg ib txwm muaj, tshuaj tua hluav taws xob, hluav taws xob hluav taws xob, thermochemistry thiab lwm yam txheej txheem, khoos phis tawj pab tsim (CAM) thiab lwm yam kev paub . Thiab hauv cov txheej txheem tsim cov txheej txheem teeb meem thiab ib txwm yuav ntsib teeb meem tshiab thiab qee qhov teeb meem hauv tsis pom tias yog vim li cas ploj mus, vim tias nws cov txheej txheem tsim khoom yog ib hom kab txuas mus tas li, txhua qhov txuas tsis raug yuav ua rau muaj kev tsim khoom hla pawg thawj coj lossis qhov tshwm sim ntawm ntau cov seem, cov ntawv luam tawm Circuit Circuit yog tias tsis muaj cov khoom siv rov ua dua tshiab, Cov txheej txheem cov kws ua haujlwm tuaj yeem nyuaj siab, yog li ntau tus kws tshaj lij tawm hauv kev lag luam los ua haujlwm hauv kev muag khoom thiab kev pabcuam rau PCB cov cuab yeej lossis cov khoom lag luam.

Txhawm rau kom nkag siab PCB ntau ntxiv, nws yog qhov tsim nyog kom nkag siab cov txheej txheem tsim khoom ntawm ib leeg ib sab, muab ob npaug rau ob tog luam tawm Circuit board thiab cov rooj sib txig sib luag, kom nkag siab tob dua ntawm nws.

Ib leeg ib sab nruj luam tawm pawg thawj coj saib: – ib leeg tooj liab clad – blanking rau txhuam, qhuav), drilling lossis xuas nrig ntaus -> tshuaj ntsuam luam kab kab etched qauv lossis siv cov zaj duab xis qhuav tiv thaiv kom kho kho phaj, tooj liab etching thiab qhuav kom tiv thaiv cov ntawv luam, kom txhuam, qhuav, tshuaj ntsuam luam tawm tsis kam vuam cov duab (feem ntau siv cov roj ntsuab), UV tua rau tus cim kos duab duab luam ntawv, UV tua, ua ntej cua sov, xuas nrig ntaus, thiab cov duab – hluav taws xob qhib thiab ntsuas luv Circuit Court – txhuam, kom qhuav → pre-txheej vuam anti-oxidant (qhuav) lossis tin-txau cov cua kub kom zoo → tshuaj xyuas ntim → cov khoom tiav lub Hoobkas.

Muab ob npaug rau ob sab tawv luam ntawv: -ob tog ob tog tooj liab-clad boards-blanking-laminated-nc xyaum qhia qhov-qhov tshuaj xyuas, deburring txhuam-tshuaj plating (qhia qhov metallization)-nyias tooj liab plating (tag nrho lub rooj tsavxwm)-tshuaj xyuas txhuam-> tshuaj ntsuam luam ntawv tsis zoo Circuit Court duab, kho (zaj duab xis qhuav/ntub zaj duab xis, nthuav tawm thiab txhim kho) – tshuaj xyuas thiab kho lub phaj – kab duab plating thiab electroplating tin (corrosion tsis kam ntawm npib tsib xee/kub) -> rau luam cov khoom (txheej) – etching tooj liab – (annealing tin ) txhawm rau txhuam kom huv, feem ntau siv cov duab tshuaj ntsuam luam tawm tsis kam siv cov cua sov ua kom cov roj ntsuab (cov zaj duab xis qhuav los yog zaj duab xis ntub, nthuav tawm, txhim kho thiab kho cua sov, feem ntau siv cua sov ua kom cov roj ntsuab zoo) thiab ntxuav kom qhuav, txhawm rau tshuaj ntsuam luam ntawv cim cov duab, kho , (tin lossis organic shielded welding film) los ua cov txheej txheem, ntxuav, ziab kom hluav taws xob ntsuas tawm, ntim khoom thiab cov khoom tiav.

Los ntawm qhov txheej txheem txheej txheem txheej txheem ntawm kev tsim cov txheej txheem ntau txheej ntws mus rau txheej txheej tooj liab clad ob tog txiav, txhuam txhawm rau txhawm rau qhov chaw tso, lo rau txheej qhuav lossis txheej kom tiv thaiv kom raug, txhim kho thiab etching thiab zaj duab xis-sab hauv coarsening thiab oxidation -daim tshev sab hauv-(txheej kab tsim ntawm ib leeg-mog tooj liab clad laminates, daim ntawv sib txuas, phaj sib txuas daim ntawv B-xaj tshuaj xyuas, laum qhov tso qhov) rau laminate, ntau qhov kev tswj qhov drilling-> Qhov thiab tshuaj xyuas ua ntej kev kho mob thiab tshuaj lom neeg tooj liab plating – tag nrho pawg thawj coj saib thiab nyias tooj liab plating txheej tshuaj xyuas – lo tiv thaiv kom qhuav zaj duab xis plating lossis txheej rau plating tus neeg sawv cev rau tsho hauv qab raug, txhim kho thiab kho lub phaj – kab duab electroplating – lossis npib tsib xee/kub plating thiab electroplating tin lead alloy rau zaj duab xis thiab kos duab – kos – tshuaj ntsuam luam tawm tsis kam vuam cov duab lossis lub teeb ua kom tsis muaj zog vuam cov duab – luam cov cim duab – (huab cua kub qib lossis organic thaiv vuam zaj duab xis) thiab cov lej tswj Ntxuav lub cev → tu, ziab khaub ncaws detection nrhiav hluav taws xob → tshuaj xyuas khoom tiav → ntim khoom lag luam.

Nws tuaj yeem pom los ntawm cov txheej txheem txheej txheem txheej txheem uas txheej txheem ntau txheej txheej tau tsim los ntawm ob-ntsej muag metallization txheej txheem. Ntxiv rau cov txheej txheem ob tog, nws muaj ntau yam ntsiab lus tshwj xeeb: lub qhov hlau sib txuas sab hauv kev sib txuas, drilling thiab epoxy tshem tawm kev ua kom huv, tso qhov system, lamination, thiab cov khoom siv tshwj xeeb.

Peb daim npav lub rooj siv computer feem ntau yog siv daim iav epoxy iav ob npaug rau ob sab luam tawm Circuit Board, uas muaj ib sab tau tso cov khoom sib txuas thiab lwm sab yog cov tivthaiv ko taw vuam saum npoo, tuaj yeem pom tias cov pob qij txha txuas tau zoo li qub, tivthaiv ko taw tsis sib txuas nto ntawm cov pob qij txha txuas peb hu nws lub ncoo. Vim li cas ho tsis lwm cov xov tooj tooj liab muaj cov tin rau lawv? Vim tias ntxiv rau cov phaj phom thiab lwm qhov ntawm qhov xav tau rau kev siv dag zog, tas li ntawm qhov saum npoo muaj txheej txheej nthwv dej tsis kam vuam zaj duab xis. Nws cov yeeb yaj kiab saum npoo feem ntau yog ntsuab, thiab ob peb siv daj, dub, xiav, thiab lwm yam. Nws txoj haujlwm yog txhawm rau tiv thaiv nthwv dej vuam choj tshwm sim, txhim kho vuam zoo thiab txuag cov laug thiab lwm yam. Nws kuj tseem yog txheej txheem tiv thaiv ruaj khov ntawm cov ntawv luam tawm, tuaj yeem ua lub luag haujlwm ntawm kev ya raws, xeb, kab mob me me thiab kev ua haujlwm puas. Los ntawm sab nraud, qhov saum npoo yog du thiab ci ntsuab thaiv cov yeeb yaj kiab, uas yog qhov ntxim nyiam rau zaj duab xis phaj thiab cua sov kho cov roj ntsuab. Tsis yog tsuas yog cov tsos zoo dua, nws yog ib qho tseem ceeb uas cov ntaub ntawv raug siab yog siab, yog li txhawm rau txhim kho kev ntseeg tau ntawm cov khoom siv sib txuas.

Raws li peb tuaj yeem pom los ntawm lub khoos phis tawj tswj hwm, cov khoom siv tau teeb tsa hauv peb txoj hauv kev. Cov txheej txheem teeb tsa txuas rau kev xa mus uas cov khoom siv hluav taws xob tau tso rau hauv qhov hla ntawm lub tshuab luam ntawv Circuit Board. Nws yog qhov yooj yim pom tias daim ntawv luam tawm ob sab ntawm lub rooj sib tham los ntawm qhov yog raws li hauv qab no: ib qho yog ib qho yooj yim tivthaiv ntxig qhov; Qhov thib ob yog kev tiv thaiv kev tiv thaiv thiab ob tog sib txuas ua ke los ntawm lub qhov; Peb yog ib qho yooj yim ob tog los ntawm qhov; Plaub yog lub hauv paus phaj teeb tsa thiab muab tso rau qhov. Lwm qhov kev teeb tsa thib ob yog kev teeb tsa saum npoo thiab nti ncaj ncaj. Qhov tseeb, nti txuas ncaj qha thev naus laus zis tuaj yeem suav tias yog ib ceg ntawm kev siv tshuab thev naus laus zis, nws yog cov nti ncaj qha rau ntawm daim ntawv luam tawm, thiab tom qab ntawd txuas nrog lub rooj tsav xwm luam tawm los ntawm txoj kev siv hlau txuas lossis siv txoj siv thauj khoom, txoj kev ntxeev, nqaj hlau txoj kev thiab lwm yam ntim tshuab. Qhov vuam nto yog nyob ntawm qhov chaw tivthaiv.

Kev siv tshuab ntom ntom ntom ntom muaj qhov zoo hauv qab no:

1) Vim tias daim ntawv luam tawm feem ntau tshem tawm qhov loj los ntawm lub qhov lossis faus qhov sib txuas sib txuas thev naus laus zis, txhim kho cov xov hluav taws xob ntom ntom ntawm lub rooj tsav xwm luam tawm, txo thaj chaw luam ntawv (feem ntau ib feem peb ntawm kev teeb tsa ntsaws), thiab tseem tuaj yeem txo tus lej ntawm txheej txheej tsim thiab cov nqi ntawm daim ntawv luam tawm.

2) Txo qhov hnyav, txhim kho kev ua haujlwm seismic, kev siv colloidal solder thiab thev naus laus zis thev naus laus zis tshiab, txhim kho cov khoom lag luam zoo thiab ntseeg tau.

3) Vim tias qhov nce ntawm cov kab hluav taws xob ntom ntom thiab qhov ua kom luv ntawm cov hlau lead ntev, cov kab mob muaj peev xwm tiv thaiv kab mob thiab cov kab mob sib kis tau raug txo qis, uas yog qhov muaj txiaj ntsig zoo rau kev txhim kho cov hluav taws xob tsis ntawm cov ntawv luam tawm.

4) Nws yooj yim dua kom paub siv lub tshuab ua haujlwm zoo dua li kev teeb tsa ntsaws, txhim kho kev teeb tsa nrawm thiab tsim khoom tsim khoom, thiab txo nqi sib dhos raws li.

Raws li tuaj yeem pom los ntawm cov thev naus laus zis kev nyab xeeb saum toj no, kev txhim kho cov thev naus laus zis hauv tshuab hluav taws xob tau txhim kho nrog kev txhim kho ntawm cov ntim ntim tshuab thiab tshuab thev naus laus zis. Lub khoos phis tawj tswj hwm lub computer uas peb pom tam sim no daim npav nws cov nplaum nto teeb tsa tus nqi kom nce mus tsis tu ncua. Qhov tseeb, hom phiaj siv hluav taws xob no rov qab siv lub vijtsam luam ntawv kab duab kab ntawv tsis tuaj yeem ua tau raws li kev xav tau. Yog li ntawd, qhov zoo tib yam kev ua haujlwm siab hauv Circuit Court board, nws cov kab duab thiab cov duab vuam siv yog cov hauv paus txheej txheem nkag tau yooj yim thiab cov txheej txheem tsim cov roj ntsuab ntsuab.

Muaj yog tseem muaj ib tug ntau ntawm cov kev paub txog cov ntawv Circuit Court laug cam, thiab nrog rau txoj kev sib ntawm kev kub ceev, yuav muaj ntau thiab ntau tshiab technologies. Nov tsuas yog cov lus qhia yooj yim, Kuv vam tias koj tuaj yeem muab kev pab rau cov phooj ywg nyiam PCB thev naus laus zis.