Thaum kev tsim PCB txav mus rau qhov ceev dua, qhov sib nrug ntawm kab zoo dua, cov txheej ntau dua thiab cov qauv zoo ntawm qhov, kev khawb me me tau dhau los ua ib qho ntawm cov txheej txheem tseem ceeb tshaj plaws uas cuam tshuam rau cov txiaj ntsig, qhov tseeb ntawm qhov ntev thiab tus nqi tsim khoom. Hauv kev khawb PCB ceev ceev, kev khawb me me yuav tsum tau txiav los ntawm cov ntawv ci tooj liab, iav fiber, cov txheej txheem resin thiab cov ntaub ntawv abrasive ntxiv thaum tswj cov npoo txiav ntse, kev tshem tawm cov chip ruaj khov thiab qhov zoo ntawm phab ntsa qhov sib xws. Cov ntawv ceeb toom kev lag luam tau sau tseg tias hauv kev tsim PCB ceev ceev, kev ua tsis tiav ntawm kev khawb yog txuas nrog kev nplaum resin, kev hnav ntug sai, kev hloov pauv qhov thiab kev hloov cov cuab yeej ntau zaus, tshwj xeeb tshaj yog thaum qhov ceev ntawm kev khawb thiab cov txheej txuas ntxiv nce ntxiv.
Vim li no,PCB micro-tua txheejtsis yog ib qho txheej txheem yooj yim "txheej uas tiv taus kev hnav" lawm. Nws tab tom dhau los ua ib qho kev daws teeb meem kev tsim kho qhov chaw uas xav tau kev ua haujlwm siab dua los ntawm cov khoom siv nqus tsev. Cov txheej txheem yuav tsum txhim kho qhov nyuaj, txo kev sib txhuam, tiv thaiv kev sib txuas ntawm cov resin, txhim kho kev khaws cia ntug thiab tswj cov qauv qub ntawm cov laum carbide me me. Qhov no tso cov kev cai tshiab rau kev tswj cov qauv zaj duab xis, kev ruaj khov ntawm plasma, kev tiv thaiv cov khoom me me, kev tswj hwm qhov kub thiab kev sib xws ntawm cov khoom.
Qhov yuav tsum tau ua ntej yog kev tswj cov txheej txheej uas nyias heev thiab sib xws heev. Cov tshuab PCB micro-xuab zeb muaj cov txoj kab uas hla me heev, cov ntug txiav ntse thiab cov duab sib txawv ntawm cov nplaim hluav taws xob. Cov txheej txheej tuab dhau heev yuav ua rau ntug txiav puag ncig, cuam tshuam rau kev tshem tawm cov chips lossis hloov qhov chaw txiav uas tsim. Yog li ntawd, cov khoom siv txheej txheej yuav tsum muaj peev xwm tso cov zaj duab xis tuab, txuas ntxiv thiab sib xws ntawm micron lossis txawm tias sub-micron, thaum ua kom muaj kev npog zoo rau ntawm ntug txiav, qhov chaw nplaim hluav taws xob thiab lub taub hau ntawm lub tshuab. Rau cov txheej txheej xws li ta-C, DLC, AlTiN, AlCrN, TiAlSiN lossis cov txheej txheej tawv ntau txheej, cov khoom siv yuav tsum tswj hwm qhov nrawm ntawm kev tso cov khoom, lub zog ion thiab cov tuab zaj duab xis kom sib npaug qhov nyuaj, kev nplaum thiab qhov ntse ntawm ntug.
Qhov yuav tsum tau ua thib ob yog qhov muaj peev xwm tso cov khoom me me. Kev tso cov cathodic arc ib txwm muaj cov nqi ionization siab thiab cov zaj duab xis muaj zog, tab sis cov macroparticles tuaj yeem dhau los ua qhov tsis zoo tseem ceeb rau cov cuab yeej me me. Rau PCB micro-drills, txawm tias cov khoom me me ntawm ntug txiav kuj tuaj yeem ua rau muaj kev ntxhov siab hauv zos, kev khawb tsis ruaj khov, khawb phab ntsa qhov lossis ua tsis tiav ua ntej lub sijhawm. Qhov no yog vim li cas cov thev naus laus zis magnetic filtered arc, lim cathodic vacuum arc systems thiab cov qauv lim plasma zoo tshaj plaws yog qhov tseem ceeb dua. Kev lim hlau nplaum tuaj yeem txo cov khoom loj thiab txhim kho kev du ntawm txheej, uas yog qhov tshwj xeeb tshaj yog rau DLC thiab ta-C superhard coatings siv rau micro-drills.
Qhov yuav tsum tau ua thib peb yog kev nplaum zoo yam tsis muaj kev puas tsuaj los ntawm cua sov. Cov tshuab PCB micro-xuab zeb feem ntau yog ua los ntawm cemented carbide, thiab lawv cov kev ua tau zoo txiav nyob ntawm qhov tseeb ntawm cov qauv ntug. Yog tias qhov kub ntawm cov txheej txheem siab dhau, cov khoom siv hauv paus, cov qauv brazed lossis qhov tseeb ntawm ntug yuav raug cuam tshuam. Yog li ntawd, cov khoom siv niaj hnub no xav tau kev tso dej kub qis, kev ntxuav ion ua haujlwm zoo thiab kev tsim cov txheej txheem txhim khu kev qha. Cov thev naus laus zis xws li ion source etching, bias-assisted deposition, Cr lossis cov txheej txheem hloov pauv hlau, thiab cov txheej txheem sib xyaw ua ke pab txhim kho lub zog sib txuas ntawm cov txheej txheem thiab cov carbide substrate. Qee cov txheej txheem txheej txheem ta-C lim tuaj yeem tso rau hauv qab 100 ° C, pab khaws cov qauv ntawm cov tshuab carbide me me.
Qhov yuav tsum tau ua thib plaub yog qhov nyuaj siab ua ke nrog kev sib txhuam tsawg. Hauv kev khawb PCB, cov txheej yuav tsum tiv taus kev hnav abrasive los ntawm cov iav fiber, tooj liab, resin thiab ceramic fillers, thaum tseem txo qhov kub sib txhuam thiab resin adhesion. Ib zaj yeeb yaj kiab uas tsuas yog tawv tab sis ntxhib yuav ua rau muaj kev tiv thaiv txiav thiab ua kom cov chip clogging sai dua. Ib zaj yeeb yaj kiab uas du tab sis tsis muaj peev xwm thauj khoom yuav ua tsis tiav sai sai hauv kev khawb ceev ceev. Yog li ntawd, cov khoom siv yuav tsum muaj peev xwm tsim cov txheej nrog cov qauv microstructure ntom ntom, cov ntsiab lus sp³ siab rau ta-C lossis DLC systems, coefficient qis ntawm kev sib txhuam thiab kev tiv thaiv kev hnav zoo heev. Kev tshawb fawb ntawm cov yeeb yaj kiab pob zeb diamond rau PCB drills tau qhia tias cov qauv pob zeb diamond ntau txheej siab heev tuaj yeem txhim kho lub neej khawb thiab qhov zoo thaum ua cov khoom siv PCB abrasive uas muaj alumina ceramic fillers.
Qhov yuav tsum tau ua thib tsib yog kev ua kom zoo dua qub rau kev tsim khoom ntau. Cov tshuab PCB micro-drilling feem ntau yog coated hauv cov pawg loj, thiab txhua lub tshuab yuav tsum tswj tau qhov tuab ntawm zaj duab xis, xim, qhov nyuaj, kev nplaum thiab kev ua tau zoo ntawm tribological. Txhua qhov sib txawv ntawm qhov chaw teeb tsa, qhov ceev ntawm plasma, lub hom phiaj erosion, kev faib tawm roj lossis bias voltage tuaj yeem ua rau muaj kev hloov pauv ntawm kev ua tau zoo ntawm cov tshuab. Yog li ntawd, cov txheej txheem txheej txheem rau PCB micro-drillings yuav tsum muaj kev ua haujlwm nqus tsev ruaj khov, kev tswj hwm qhov hnyav raug, kev faib tawm plasma sib npaug, kev sib hloov / kev hloov pauv txhim khu kev qha thiab kev tswj hwm daim ntawv qhia rov ua dua. Rau cov tuam txhab tsim khoom siv, qhov tseem ceeb tiag tiag ntawm cov khoom siv txheej txheem tsis yog tsuas yog ua tiav cov txiaj ntsig zoo ntawm cov qauv, tab sis kuj tseem tswj hwm kev ua tau zoo ruaj khov thoob plaws cov pawg tsim khoom tas mus li.
Qhov yuav tsum tau ua thib rau yog kev tsim khoom tshwj xeeb thiab kev thauj khoom rau cov cuab yeej me me. Piv nrog cov pwm loj lossis cov cuab yeej txiav txheem, PCB micro-xuab zeb me dua, yooj yim dua thiab rhiab heev rau qhov raug clamping. Lub cuab yeej yuav tsum ua kom muaj peev xwm thauj khoom siab thaum zam kev cuam tshuam kev tiv thaiv, txheej tsis sib xws thiab kev puas tsuaj rau lub cev. Kev sib hloov ntau-axis, kev npaj thauj khoom ntom ntom, kev tso cov cuab yeej meej thiab kev siv plasma zoo tshaj plaws yog qhov tsim nyog los ua kom tiav cov txheej sib xws ntawm lub taub hau thiab thaj chaw flute. Rau cov chaw tsim khoom uas nrhiav kev xa khoom siab, cov khoom siv txheej yuav tsum sib npaug cov peev xwm ua ke nrog cov yeeb yaj kiab sib xws, es tsis txhob tsuas yog nce qhov ntau ntawm kev thauj khoom.
Ntxiv mus, cov khoom siv PCB micro-drill coating yuav tsum txhawb nqa ntau txoj kev sib koom ua ke. Lub kaw lus sib tw txheej txheem yuav tsum tsis txhob txwv rau ib hom zaj duab xis xwb. Nws yuav tsum muaj peev xwm txhawb nqa kev ntxuav ion, kev hloov pauv txheej deposition, kev tso txheej tawv, kev tso txheej carbon-based thiab kev tsim ntau txheej lossis kev tsim txheej sib xyaw. Piv txwv li, ta-C, DLC, AlTiN, AlCrN, TiAlSiN, CrN thiab hybrid tawv coatings yuav raug xaiv raws li cov ntaub ntawv PCB sib txawv, qhov ceev drilling, qhov diameters thiab cov neeg siv khoom xav tau. Kev ywj pheej ntawm cov khoom siv txiav txim siab ncaj qha seb tus neeg muab khoom txheej puas tuaj yeem teb rau kev hloov pauv PCB cov ntaub ntawv thiab cov xwm txheej drilling.
Los ntawm qhov kev xav ntawm kev tsim PCB, lub hom phiaj kawg ntawm kev siv micro-drill coating yog kom txo tus nqi ib lub qhov, ntev lub neej ntawm cov cuab yeej, txhim kho qhov zoo ntawm phab ntsa qhov, txo cov burrs thiab cov ntsia hlau tsis zoo, thiab ua kom ruaj khov kev ua haujlwm drilling. Raws li PCB boards ua ntau dua thiab cov ntaub ntawv ua rau nyuaj rau tshuab, cov khoom siv coating yuav tsum hloov pauv los ntawm cov txheej txheem coating nyuaj ib txwm mus rau hauv cov platforms engineering nto uas muaj qhov tseeb siab, qis-particle, qis-kub thiab rov ua dua tau zoo.
Yav tom ntej, qhov kev sib tw ntawm PCB micro-drill txheej yuav tsis tsuas yog nyob ntawm qhov tawv ntawm txheej xwb. Nws yuav nyob ntawm lub peev xwm ntawm cov khoom siv nqus tsev vacuum: kev tswj plasma, kev lim dej me me, kev ruaj khov ntawm qhov kub, kev tsim kho adhesion, kev tsim khoom siv, kev rov ua dua thiab kev ntseeg siab ntawm kev tsim khoom loj. Rau cov chaw tsim khoom siv nqus tsev vacuum, qhov no yog ob qho tib si kev sib tw thiab lub sijhawm ua lag luam. Leej twg tuaj yeem muab cov kev daws teeb meem ruaj khov, kev ua haujlwm siab thiab kev siv rau PCB micro-drills yuav tau txais txoj haujlwm muaj zog dua hauv tiam tom ntej ntawm kev tsim khoom PCB siab.
- Tsab xov xwm no tau luam tawm los ntawmChaw tsim khoom siv nqus tsev txheejZhenhua Nqus Tsev
Lub sijhawm tshaj tawm: Tsib Hlis-06-2026