Nyob rau hauv txoj kev loj hlob sai ntawm kev sib txuas lus thev naus laus zis los ntawm 5G mus rau 6G, cov txheej txheem tsim khoom ntawm kev sib txuas lus luam tawm Circuit Boards, raws li lub hauv paus tseem ceeb ntawm cov khoom siv sib txuas lus, ncaj qha txiav txim siab cov khoom ua tau zoo thiab kev ntseeg tau. Piv nrog rau kev npaj tswv yim ntawm qib tsim, cov txheej txheem tsim khoom yog ib theem tseem ceeb hauv kev hloov cov qauv tsim qauv rau hauv cov khoom siv lub cev, thiab txhua kauj ruam muaj kev txiav txim siab rau qhov zoo ntawm cov khoom kawg.
1, Cov khoom siv raw xaiv: tso lub hauv paus rau qhov zoo
Thawj kauj ruam hauv kev tsim cov kev sib txuas lus luam tawm Circuit Board boards yog xaiv cov khoom siv raw, thiab kev ua haujlwm ntawm cov ntaub ntawv xws li boards, tooj liab foils, thiab semi-kho nplooj ntawv ncaj qha cuam tshuam rau hluav taws xob thiab cov khoom siv hluav taws xob ntawm cov ntawv luam tawm. Kev sib txuas lus muaj cov kev cai nruj heev rau siab - zaus thiab siab - ceev cov teeb liab kis tau tus mob, yog li tsis tshua muaj dielectric tsis tu ncua thiab qis dielectric poob qhov tseem ceeb ntawm pawg thawj coj saib feem ntau xaiv, xws li RF-35. Cov ntaub ntawv no tuaj yeem txo qhov poob thiab qeeb thaum lub teeb liab kis tau tus mob, kom ntseeg tau tias lub teeb liab ncaj ncees. Nyob rau hauv cov nqe lus ntawm tooj liab ntawv, high-purity electrolytic tooj liab ntawv ci yog feem ntau siv, uas muaj zoo conductivity thiab ductility. Raws li kev xav tau sib txawv, lub thickness feem ntau yog nruab nrab ntawm 18 μm-70 μm. Thinner tooj liab ntawv ci yog tsim rau zoo Circuit Court ntau lawm, thaum thicker tooj liab ntawv ci yog ntau haum rau high tam sim no kis scenarios. Raws li cov khoom sib txuas thaum lub sij hawm lamination, cov ntsiab lus ntawm resin thiab iav hloov kub ntawm daim ntawv kho semi-kho yuav tsum tau ua kom raug raws li cov yam ntxwv ntawm lub rooj tsavxwm los xyuas kom meej lub zog ntawm cov qauv thiab rwb thaiv tsev kev ua tau zoo ntawm cov ntawv luam tawm Circuit Board tom qab lamination.
2, Core ntau lawm txheej txheem: finely crafted thiab zoo
Drilling: precision positioning ntawm circuit veins
Drilling yog ib qho txheej txheem tseem ceeb hauv kev tsim cov kev sib txuas lus luam tawm Circuit Court boards boards, muab cov channel rau tom ntej metallization qhov thiab kev sib txuas hauv Circuit Court. Hauv cov khoom siv sib txuas lus, ntau qhov los ntawm lub qhov, qhov qhov muag tsis pom, thiab qhov faus qhov yuav tsum tau ua kom tiav, nrog rau qhov aperture tolerances feem ntau tswj tsis pub dhau ± 0.02mm. Niaj hnub nimno drilling cov txheej txheem feem ntau siv CNC drilling tshuab, uas ua tau siab - ceev thiab siab - precision drilling los ntawm siab - precision laum koob thiab nozzles, ua ke nrog cov kev pab cuam siab heev. For high-density interconnect boards, laser drilling technology will also be used to process micro holes with a diameter of only 0.05mm, meeting the requirements of complex circuit wiring. Tom qab drilling tiav lawm, lub qhov phab ntsa yuav tsum tau muab ntxuav ntawm drilling khib nyiab. Cov txheej txheem feem ntau suav nrog tshuaj ntxuav, kev kho ntshav ntshav, thiab lwm yam, kom tshem tawm cov khoom seem ntawm cov khib nyiab thiab cov burrs ntawm phab ntsa ntawm lub qhov, ua kom muaj kev sib raug zoo ntawm lub qhov phab ntsa thiab cov hlau txheej thaum lub sij hawm tom qab electroplating.
Electroplating: endowing circuits nrog conductivity
Cov txheej txheem electroplating lub hom phiaj los npog lub qhov phab ntsa thiab qhov chaw ntawm cov ntawv luam tawm Circuit Court boards nrog ib txheej ntawm hlau, tsim txoj hauv kev. Cov electroplating ntawm kev sib txuas lus luam tawm Circuit Board boards feem ntau yog siv cov tshuaj tooj liab plating thiab electroplated tooj liab. Chemical tooj liab plating yog txheej txheem ntawm depositing ib tug nyias txheej ntawm tooj liab nyob rau hauv lub pore phab ntsa thiab nto los ntawm cov tshuaj tiv thaiv nyob rau hauv tsis muaj tam sim no tej yam kev mob, muab ib tug conductive substrate rau tom ntej electroplating; Electroplated tooj liab, nyob rau hauv lub hauv paus ntawm tshuaj tooj liab plating, thickens lub tooj liab txheej los ntawm electrochemical tshuaj. Feem ntau, tooj liab txheej thickness ntawm lub Circuit Court yuav tsum nyob nruab nrab ntawm 35 μ m-70 μ m kom tau raws li qhov yuav tsum tau tsis tshua muaj zog ntawm kev sib txuas lus teeb liab. Txhawm rau txhim kho oxidation tsis kam, hnav tsis kam, thiab solderability ntawm cov ntawv luam tawm Circuit Court boards, kev kho deg xws li electroplating npib tsib xee kub, tshuaj npib tsib xee kub, lossis tin immersion kuj tau ua. Thaum lub sij hawm electroplating txheej txheem, nws yuav tsum nruj me ntsis tswj cov muaj pes tsawg leeg, qhov kub thiab txias, tam sim no ceev, thiab lwm yam tsis muaj electroplating tov kom paub meej tias cov hlau txheej yog uniform thiab ntom, thiab kom tsis txhob muaj teeb meem xws li txheej voids thiab thickness tsis sib xws.
Etching: piav qhia meej cov kab ntawm circuits
Etching yog txheej txheem tseem ceeb ntawm kev tshem tawm cov ntawv xov tooj tsis xav tau los ntawm tooj liab- clad laminates, tawm hauv qab cov qauv Circuit Court uas xav tau. Cov kev sib txuas lus luam tawm Circuit Board boards muaj cov xov hlau zoo thiab cov kab dav dav uas yuav tsum tau ua, feem ntau nyob rau hauv ± 0.015mm. Feem ntau muaj ob hom txheej txheem etching: qhuav etching thiab ntub etching, nrog ntub etching yog siv ntau dua. Thaum lub sij hawm ntub etching txheej txheem, tooj liab clad laminate tom qab raug thiab kev loj hlob yog immersed nyob rau hauv ib tug etching tov (xws li ferric chloride, alkaline etching tov, thiab lwm yam) kom yaj cov ntawv ci tooj liab uas tsis tiv thaiv los ntawm cov txheej txheem los ntawm cov tshuaj tiv thaiv. Thaum lub sij hawm etching txheej txheem, tsis xws li cov concentration, kub, tshuaj tsuag siab, thiab ceev ntawm cov etching tov muaj ib tug tseem ceeb cuam tshuam rau lub etching raug thiab yuav tsum tau tiag tiag - sij hawm saib xyuas thiab kho. Txhawm rau txhim kho qhov tseeb ntawm qhov etching, cov txheej txheem ua haujlwm tom ntej xws li zaj duab xis stripping thiab deburring tseem yuav raug siv los xyuas kom meej cov npoo du thiab meej qhov ntev ntawm lub voj voog.
Txheej: Tsim ntau- txheej txheej ruaj khov
Rau ntau- txheej kev sib txuas lus luam tawm Circuit Court boards boards, lamination yog ib qho tseem ceeb ntawm kev sib koom ua ke txhua txheej ntawm Circuit Court board nrog ib daim ntawv kho ib nrab. Ua ntej lamination, txhua txheej ntawm lub rooj tsavxwm yuav tsum tau muab ntxuav thiab kho ua ntej kom tshem tawm cov impurities thiab oxides. Cov txheej txheem laminating yog ua nyob rau hauv qhov siab - kub thiab siab - qhov chaw siab, feem ntau ntawm qhov kub ntawm 180℃-210℃thiab siab ntawm 5MPa-10MPa. Los ntawm kev tswj hwm tus nqi cua sov, lub sij hawm rwb thaiv tsev, thiab lub siab hloov nkhaus, cov ntawv ib nrab yog tag nrho melted thiab ntws, sau cov interlayer qhov khoob, thiab khov kho cov txheej txheem ua ke. Tom qab lamination, cov ntawv luam tawm Circuit Board yuav tsum tau kho kho kom zoo ntxiv rau kev txhim kho lub zog thiab hluav taws xob ntawm lub rooj tsavxwm. Txhawm rau kom ua tiav qhov zoo ntawm lamination, nws yog ib qho tsim nyog yuav tsum nruj me ntsis tswj lub tshuab nqus tsev kawm ntawv ntawm cov khoom siv laminating kom tsis txhob muaj qhov tsis xws luag xws li npuas thiab delamination ntawm txheej.
3, Kev soj ntsuam zoo: Tswj cov chaw kuaj xyuas zoo ntawm cov khoom tiav
Kev sib txuas lus ua tiav daim ntawv luam tawm Circuit Board boards yuav tsum tau soj ntsuam nruj nruj kom ntseeg tau tias nws ua tau raws li qhov yuav tsum tau ua ntawm cov khoom siv sib txuas lus. Kev tshuaj xyuas qhov tshwm sim yog ua los ntawm cov khoom siv kho qhov muag tsis siv neeg los soj ntsuam cov duab hauv Circuit Court, cov khoom siv pads, qhov chaw ua haujlwm, thiab lwm yam nyob rau saum npoo ntawm cov ntawv luam tawm Circuit boards, kuaj xyuas cov teeb meem xws li luv Circuit Court, qhib circuits, notches, burrs, thiab lwm yam. boards ua tau raws li cov qauv tsim thiab ua kom muaj kev ruaj ntseg ntawm cov teeb liab kis tau tus mob. Rau ntau- txheej boards, X-ray tshuaj xyuas kuj tseem yuav tsum tau kuaj xyuas qhov sib txawv ntawm cov khaubncaws sab nraud povtseg thiab qhov zoo ntawm lub qhov, txhawm rau tiv thaiv cov teeb meem xws li txheej sib txawv thiab qhov tsis nkag.
4, Tej teeb meem thiab kev daws teeb meem
Thaum lub sij hawm tsim cov txheej txheem ntawm kev sib txuas lus luam tawm Circuit Board boards, qee qhov teeb meem zoo yog qhov tshwm sim. Piv txwv li, cov teeb meem xws li cov phab ntsa borehole ntxhib thiab hloov chaw ntawm qhov chaw borehole yuav tshwm sim thaum lub sij hawm drilling, uas tuaj yeem daws tau los ntawm kev ua kom zoo dua qhov drilling tsis tu ncua, tsis tu ncua hloov rab koob, thiab ntxiv dag zog rau cov txheej txheem kho cov phab ntsa borehole; Thaum lub sij hawm electroplating txheej txheem, phenomena xws li txheej tsis sib xws thiab plating plating yuav tshwm sim. Nws yog ib qho tsim nyog los kho qhov sib xyaw ntawm cov tshuaj electroplating, tswj qhov ceev tam sim no, thiab ntxiv dag zog rau kev saib xyuas cov khoom siv electroplating; Cov txheej txheem etching yuav ua rau ntau dhau lossis tsis txaus etching, ua rau kab dav sib txawv. Qhov no tuaj yeem txhim kho los ntawm kev tswj xyuas qhov tseeb thiab lub sijhawm etching ntawm cov tshuaj etching, siv qhov sib ntxiv tsis siv neeg thiab kev ncig. Los ntawm kev tswj hwm nruj thiab kev tshuaj xyuas qhov teeb meem ntawm txhua qhov txuas hauv cov txheej txheem tsim khoom, tsis tu ncua optimizing cov txheej txheem tsis tu ncua thiab cov txheej txheem kev khiav haujlwm, peb xyuas kom meej qhov zoo ntawm kev sib txuas lus luam tawm Circuit Board Board ntau lawm.