Thaum lub sijhawm tho PCB, ib lub tshuab me me yuav tsum nkag mus rau ntau yam khoom siv, suav nrog cov ntawv ci tooj liab, cov resin, cov iav fiber thiab cov khoom siv ua haujlwm. Txawm hais tias cov txheej txheem yuav zoo li tsuas yog siv cov tshuab rov ua dua, cov npoo txiav ntawm lub tshuab me me raug kev hnav tsis tu ncua los ntawm cov khoom tawv, cua sov sib txhuam thiab cov khoom siv kho tshuab.
Thaum kev tsim khoom PCB txuas ntxiv mus rau qhov ceev ntawm lub voj voog ntau dua, suav cov txheej ntau dua thiab cov duab zoo dua, cov qhov uas tau tho qhov me dua. Lub caij no, cov laminates uas nyuaj rau tshuab, suav nrog cov khoom siv Tg siab thiab cov khoom siv uas muaj cov khoom sau ntau, tau siv dav dua. Tshwj xeeb tshaj yog thaum lub qhov ntawm lub tshuab tho qhov me dua 0.1 hli, cov kev cai nruj dua tau muab tso rau ntawm lub zog ntawm qhov tho qhov, kev tiv thaiv kev hnav tsis zoo, kev tshem tawm cov chip thiab kev ruaj khov ntawm kev tho qhov.
Thaum muaj kev puas tsuaj loj heev, qhov cuam tshuam yuav txuas ntxiv mus dhau lub neej ntawm cov cuab yeej uas txo qis. Nws kuj tseem yuav ua rau muaj kev ntxhib ntawm phab ntsa qhov, kev nkag thiab tawm ntawm cov kab nrib pleb, kev sib xws ntawm lub qhov tsis zoo thiab txawm tias kev tsoo tawg.
Yog li ntawd, kev txhim kho qhov kev tiv thaiv kev hnav ntawm cov micro-drillings thiab txo qhov kev sib txhuam los ntawm cov txheej txheem saum npoo av yog qhov tseem ceeb rau kev txhim kho qhov zoo ntawm PCB drilling.
1. Kev Siv Lub Tshuab Me Me Cuam Tshuam Ntau Dua Li Lub Neej Siv Tau
Cov PCB laminates feem ntau yog ua los ntawm cov ntawv ci tooj liab, resin, iav fiber thiab ntau yam khoom siv ua haujlwm. Thaum lub sijhawm drilling ceev ceev, lub micro-drill yuav tsum txiav ntau zaus los ntawm cov ntaub ntawv uas muaj cov khoom siv kho tshuab thiab thermal sib txawv. Cov iav fiber thiab qee cov khoom siv tawv ua rau muaj kev hnav tsis zoo ntawm qhov chaw drilling thiab cov npoo txiav, thaum cov resin tuaj yeem lo rau qhov chaw drilling lossis helical flutes nyob rau hauv cov teebmeem ntawm kev sib txhuam thiab cua sov txiav, cuam tshuam tsis zoo rau kev tshem tawm cov chip tom qab.
Thaum tus naj npawb ntawm cov qhov uas tau tho qhov nce ntxiv, cov ntug txiav ntawm lub tshuab me me maj mam ua blunt. Lub zog axial uas xav tau los nkag mus rau hauv lub laminate nce ntxiv raws li, thaum kev sib txhuam thiab kev tsim cua sov yuav ua rau muaj zog ntxiv. Hauv qab cov xwm txheej no, kev txiav ntawm cov ntawv ci tooj liab, resin thiab iav fiber maj mam poob qis, ua rau muaj kev sib tsoo, khawb lossis rhuav tshem es tsis yog tshem tawm cov khoom huv. Qhov no yuav ua rau qhov roughness ntawm phab ntsa qhov, ua rau muaj qhov nkag thiab tawm burrs ntau dua thiab txo qhov sib xws ntawm lub qhov. Rau cov PCBs zoo thiab cov high-density interconnect, lossis HDI, boards, cov qhov tsis zoo no kuj tseem yuav ua rau muaj kev nyuaj ntawm kev ua kom lub qhov metallization thiab kev tswj xyuas zoo tom qab.
Ntxiv mus, qhov me dua ntawm lub micro-drill diameter, qhov ntau dua qhov txwv qhov peev xwm ntawm nws cov helical flutes. Thaum cov chips sib sau ua ke lossis cov resin lo rau ntawm qhov chaw khawb, cov npoo txiav lossis cov chip flutes, qhov kev tiv thaiv drilling yuav hloov pauv ntau heev. Thaum ua ke nrog kev hnav micro-drill, spindle runout lossis cov txheej txheem drilling tsis tsim nyog, qhov khoov thiab torsional loads ua rau micro-drill yuav nce ntxiv, yog li ua rau muaj kev pheej hmoo ntawm kev khawb deflection thiab tawg.
2. Cov Txheej Txheem Micro-Drill Txhim Kho PCB Drilling Li Cas?
Cov txheej tawv xws li ta-C, AlTiN, AlCrN thiab CrN tuaj yeem muab tso rau ntawm PCB micro-drills. Ntawm cov ntaub ntawv no, tetrahedral amorphous carbon, lossis ta-C, ua ke qhov tawv siab nrog qhov sib txhuam qis, pab txo qhov hnav thiab kev tiv thaiv drilling thaum tiv thaiv qhov chaw tho thiab ntug txiav. Hauv kev siv tiag tiag, cov txheej micro-drill txhim kho kev ua haujlwm drilling feem ntau los ntawm kev ncua qhov hnav ntawm ntug txiav, txo qhov sib txhuam thiab kev tiv thaiv chip-evacuation, thiab ruaj khov qhov zoo.
Cov txheej txheem tawv heev txo qhov kev sib cuag ncaj qha ntawm cov iav fibers, cov khoom siv tawv thiab cov cemented-carbide substrate. Qhov no pab qeeb qeeb hnav ntawm qhov chaw khawb, cov npoo txiav tseem ceeb thiab cov npoo, uas ua rau lub micro-tsheb tuaj yeem tswj tau qhov xwm txheej txiav ntug ruaj khov dhau ntawm ntau lub voj voog khawb.
Cov txheej txheej uas tsis muaj kev sib txhuam tsawg pab txo qhov kev sib txhuam ntawm lub micro-drill, PCB laminate thiab cov chips uas tsim tawm. Lawv kuj tseem yuav txo qhov kev nyiam ntawm cov chips thiab resin kom lo rau ntawm qhov chaw khawb thiab cov helical flutes, tsim kom muaj cov xwm txheej zoo dua rau kev tshem tawm cov chips.
Thaum tswj tau qhov kev hnav ntawm cov npoo txiav zoo, qhov kev hloov pauv ntawm cov xwm txheej txiav thaum lub sijhawm sib txawv ntawm kev ua haujlwm tuaj yeem txo qis. Qhov no pab txhim kho qhov zoo ntawm phab ntsa qhov thiab qhov sib xws ntawm lub qhov thaum txwv tsis pub muaj cov burrs nkag thiab tawm.
Txawm li cas los xij, cov txheej txheej tsis tuaj yeem tshem tawm qhov tawg ntawm lub tshuab laum. Qhov ua tsis tiav ntawm lub tshuab laum kuj muaj feem cuam tshuam nrog lub cheeb ntawm lub tshuab laum me me, hom laminate, qhov siab ntawm pawg, qhov xwm txheej ntawm lub spindle thiab cov txheej txheem ntawm kev laum. Los ntawm kev qeeb qeeb ntawm kev hnav, txo qhov sib txhuam thiab txhim kho kev tshem tawm ntawm cov chips, ib txheej txheej uas tau tsim zoo tuaj yeem txo cov khoom siv txiav tsis zoo thiab ua rau txo qis qhov kev pheej hmoo ntawm kev tawg ntawm lub tshuab laum.
3. Cov Tshuab Me Me Uas Yuav Tsum Tau Ua Cov Txheej Txheem Txheej Txheem Kom Tseeb Dua
Piv nrog cov cuab yeej txiav ib txwm muaj, PCB micro-drills muaj qhov loj me dua thiab cov qhov chaw khawb thiab cov qauv geometries zoo dua. Yog li ntawd, micro-drill coatings tsis tuaj yeem tsom mus rau kev ua tiav qhov nyuaj siab xwb. Cov zaj duab xis tuab, qhov zoo ntawm qhov chaw thiab kev nplaum ntawm txheej-substrate kuj yuav tsum tau tswj hwm kom zoo.
Yog tias cov txheej txheej nyias dhau, nws txoj kev tiv thaiv kev hnav tsis txaus. Yog tias nws tuab dhau, nws yuav hloov pauv qhov profile me me ntawm ntug txiav thiab ua rau ntug puag ncig lossis blunting. Qhov me dua ntawm lub micro-tua, qhov rhiab heev ntawm nws txoj kev txiav yuav ua rau cov txheej txheej tuab dua.
Kev siv cathodic arc deposition ib txwm kuj tseem yuav tsim tau cov macroparticles. Yog tias cov macroparticles no raug tso ze ntawm qhov chaw tho qhov, ntug txiav lossis ntug, lawv yuav ua rau qhov roughness ntawm qhov txheej thiab ua rau qhov ntse ntawm ntug txiav tsis zoo. Rau cov micro-xuab zeb me me uas muaj qhov loj dua 0.1 hli, cov khoom me me uas muaj tib qhov loj me tuaj yeem muaj kev cuam tshuam loj dua rau qhov geometry txiav.
Cov tshuab me me kuj muaj cov yam ntxwv peb-seem nyuaj, suav nrog qhov chaw tshuab, cov npoo txiav, cov npoo thiab cov helical chip flutes. Yog li ntawd, thaum lub sijhawm txheej txheej ntau ntau, kev tsim khoom siv, qhov ceev ntawm kev thauj khoom thiab kev txav mus los ntawm cov khoom siv yuav tsum tau ua kom zoo tshaj plaws kom ua tiav cov txheej txheej txaus rau ntau qhov chaw ua haujlwm sib txawv thaum tswj hwm qhov sib xws ntawm cov tshuab me me.
4. Zhenhua Vacuum PCB Micro-Drill Coating Solution — FMA0605 Hard-Coating System
Yuav kom ua tau raws li qhov yuav tsum tau ua ntawm cov txheej txheem thiab qhov zoo ntawm qhov chaw ntawm cov tshuab me me thiab lwm yam cuab yeej txiav precision, Zhenhua Vacuum FMA0605 Hard-Coating System siv cov thev naus laus zis cathodic arc uas lim tau los ntawm hlau nplaum. Cov thev naus laus zis no lim cov macroparticles uas tsim thaum lub sijhawm cathodic arc deposition, ua rau ta-C coatings ua tiav ob qho tib si kev tso tawm zoo thiab kev ua haujlwm zoo tshaj plaws ntawm cov txheej txheem.
Cov txheej ta-C uas lub kaw lus tso rau hauv tuaj yeem ua tiav qhov nruab nrab ntawm qhov nyuaj txog li 63 GPa thaum tswj cov yam ntxwv qis-kev sib txhuam. Qhov nyuaj siab pab tiv thaiv kev hnav abrasive los ntawm cov iav fibers thiab cov khoom siv tawv hauv PCB laminates. Qhov sib txhuam qis pab txo qhov kev tiv thaiv ntawm lub micro-tua, laminate thiab chips, thaum txwv cov chip adhesion thiab tsim cov xwm txheej zoo dua rau kev tho qhov txuas ntxiv thiab kev tshem tawm chip.
Ntxiv rau cov txheej ta-C, lub kaw lus kuj tseem tuaj yeem tso cov txheej tiv taus kub thiab superhard xws li AlTiN, AlCrN, TiCrAlN, TiAlSiN thiab CrN. Cov txheej no tau siv rau pwm, cov cuab yeej txiav, cov xuas nrig ntaus, cov khoom siv tsheb, cov pistons thiab lwm yam khoom siv tiv taus hnav.
5. Xaus Lus
Thaum PCB drilling txuas ntxiv mus rau qhov me dua thiab kev ua haujlwm siab dua, qhov tseem ceeb ntawm micro-drill coatings tsis txwv rau kev ntev lub neej ntawm cov cuab yeej lawm. Qhov tseem ceeb tshaj, coatings pab tswj cov xwm txheej tshiab, txhim kho qhov zoo thiab txhim kho kev ruaj khov thaum lub sijhawm drilling tas mus li. Ib qho kev daws teeb meem zoo ntawm coatings yuav tsum xav txog qhov nyuaj ntawm coatings, kev sib txhuam, zaj duab xis tuab, qhov zoo ntawm qhov chaw thiab kev nplaum ntawm coatings-substrate, thaum tseem phim rau micro-drill specification, PCB laminate hom thiab cov xwm txheej drilling tiag tiag.
Los ntawm kev siv tshuab cathodic arc uas lim los ntawm hlau nplaum, Zhenhua Vacuum FMA0605 Hard-Coating System txo cov teebmeem tsis zoo ntawm cov macroparticles uas tsim los ntawm arc rau ntawm cov npoo txiav zoo heev. Cov txheej txheem ta-C uas muaj zog thiab sib txhuam tsawg pab ncua kev hnav ntawm lub tshuab micro-drill, ua kom lub qhov PCB zoo thiab txo qhov kev pheej hmoo ntawm kev tawg ntawm lub tshuab drilling tsis zoo, muab kev txhawb nqa cov khoom siv txhim khu kev qha rau kev tsim cov txheej txheem PCB micro-drill thiab kev tsim khoom ntau.
- Tsab xov xwm no tau luam tawm los ntawmChaw tsim khoom siv nqus tsev txheejZhenhua Nqus Tsev
Lub sijhawm tshaj tawm: Lub Xya Hli-25-2026