Panguva yekuboorera PCB yemuchina, dhiri rimwe chete rinofanira kugara richipinda muzvinhu zvakasiyana-siyana, zvinosanganisira copper foil, resin, glass fiber uye functional fillers. Kunyangwe maitiro acho angangoita sekunge anongoda kudzokorora kuboorera, mipendero yekucheka kwedhiri iri inogara ichikuvadzwa nekusakara kubva kuzvinhu zvakaoma, kupisa kwekukweshana uye cyclical mechanical loads.
Sezvo kugadzirwa kwePCB kuri kuramba kuchikura kusvika pakuwanda kwedunhu, kuwanda kwema layer uye ma geometries akapfava, dhayamita dzemaburi akaboorwa dziri kuramba dzichiwedzera kuva diki. Panguva iyi, ma laminates akaoma kushandisa muchina, kusanganisira zvinhu zvine Tg yakawanda uye zvakawanda, ari kushandiswa zvakanyanya. Kunyanya kana dhayamita ye micro-drill iri pasi pe 0.1 mm, zvinodiwa zvakanyanya zvinoiswa pakusimba kwe drill-point, kuramba kupfeka kwepamberi, kubviswa kwema chips uye kugadzikana kwe drill.
Kana chishandiswa chapera zvakanyanya, kukuvara kwacho kunopfuura nguva shoma yekushanda. Izvi zvinogonawo kukonzera kuomarara kwemaburi, maburi ekupinda nekubuda, kusimba kwemaburi uye kutotyoka kweboore.
Saka, kuvandudza kusakara kwezvidhinha zvidiki uye kuderedza kukweshana kuburikidza nependi dzepamusoro kwave kuva nzira yakakosha yehunyanzvi yekuvandudza mhando yekuchera kwePCB.
1. Kupfekwa neMicro-Drill Kunokanganisa Zvinopfuura Upenyu hweZvishandiso
MaPCB laminates anowanzo gadzirwa ne copper foil, resin, glass fiber uye ma filler akasiyana-siyana anoshanda. Panguva yekuboorera nekukurumidza, micro-drill inofanira kucheka kakawanda zvinhu zvine hunhu hwakasiyana hwemakanika nekupisa. Mafiber egirazi nemamwe mafiller akaomarara anoramba achikonzera kupera simba panzvimbo yekuboorera nepamipendero yekucheka, nepo resin inogona kunamira panzvimbo yekuboorera kana helical flutes pasi pemhedzisiro yekukweshana nekupisa, zvichikanganisa kubviswa kwema chips mushure mezvo.
Sezvo huwandu hwemaburi akaboorwa huchiwedzera, mipendero yekucheka ye micro-drill inova isina kujeka zvishoma nezvishoma. Kupinza kwe axial kunodiwa kuti ipinde mu laminate kunowedzera zvinoenderana, nepo kukweshana uye kugadzirwa kwekupisa kunogona kuwedzera zvakanyanya. Pasi pemamiriro ezvinhu aya, chiito chekucheka pa copper foil, resin ne glass fiber chinoderera zvishoma nezvishoma, zvichikonzera kudzvanywa, kukwenywa kana kubvaruka pane kubviswa kwezvinhu zvakachena. Izvi zvinogona kuwedzera kukora kwemadziro emaburi, kugadzira maburi ekupinda nekubuda akajeka uye kuderedza kugadzikana kwe gomba. Kune ma PCB emutsetse wakanaka uye mabhodhi e high-density interconnect, kana HDI, zvikanganiso izvi zvinogonawo kuwedzera kuoma kwe metallization yegomba inotevera uye kudzora mhando.
Pamusoro pezvo, kana dhayamita ye micro-drill iri diki, simba rema chip-accommodation e helical flutes rinowedzera kuderera. Kana ma chips akaungana kana resin yakanamatira panzvimbo yekuboorera, mipendero yekucheka kana ma chip flutes, kuramba kuboorera kunogona kuchinja zvakanyanya. Kana zvikabatanidzwa nekusakara kwe micro-drill, spindle runout kana parameter dzisina kukodzera dzekuboorera, kukotama uye torsional loads zvinoshanda pa micro-drill zvinogona kuwedzera, nokudaro zvichiwedzera njodzi dzekutsauka uye kuputsika kweboorera.
2. Kupfeka kweMicro-Drill Kunovandudza Sei Kuboorwa kwePCB?
Machira akaomarara akadai se ta-C, AlTiN, AlCrN uye CrN anogona kuiswa paPCB micro-drills. Pakati pezvinhu izvi, tetrahedral amorphous carbon, kana kuti ta-C, inosanganisa kuomarara kwakanyanya ne low coefficient of friction, zvichibatsira kuderedza kupfeka kwemupendero uye kuramba kubhoorwa ukuwo zvichidzivirira nzvimbo yekuboorwa nemipendero yekucheka. Mukushandiswa kwazvino, machira emachira emachira madiki anovandudza mashandiro ekuboorwa kunyanya nekunonoka kupera kwemupendero, kuderedza kuramba kubhoorwa uye kubvisa chips, uye kugadzirisa hunhu hwemaburi.
Machira ekuomesa anoderedza kusangana kwakananga pakati pemagirazi, mafiller akaomarara uye substrate yekabhoridhe yakasimwa. Izvi zvinobatsira kuderedza kupera panzvimbo yekuboorera, mipendero yekutanga yekucheka uye mipendero, zvichibvumira micro-drill kuchengetedza mamiriro ekucheka akagadzikana mukati menguva dzakawanda dzekuboorera.
Machira ekudzivirira asina kukweshana anobatsira kuderedza kukweshana pakati pe micro-drill, PCB laminate nemachipisi akagadzirwa. Anogonawo kuderedza katsika kemachipisi neresin kuti zvinamire panzvimbo yekuboorera uye helical flutes, zvichiita kuti pave nemamiriro ekunze akanaka ekubvisa machipisi.
Kana mwero wekupfekwa kwemipendero yekucheka ukadzorwa zvinobudirira, kusiyana kwemamiriro ekunze panguva dzakasiyana dzekugadzira kunogona kuderedzwa. Izvi zvinobatsira kuvandudza kunaka kwemadziro emaburi uye kugadzikana kwedhayamita yemaburi ukuwo zvichideredza kuumbwa kwemaburi ekupinda nekubuda.
Zvisinei, machira haagone kubvisa zvachose kuputsika kwechibhorani. Kukundikana kwechibhorani kune chekuitawo nehukuru hwechibhorani chidiki, rudzi rwelaminate, urefu hwechibhorani, mamiriro echibhorani uye maparamita ekuboorera. Nekunonoka kupfeka, kuderedza kukweshana uye kuvandudza kubuda kwechibhorani, chipfeko chakagadzirwa zvakanaka chinogona kuderedza mitoro yekucheka isina kujairika uye nekudaro kuderedza njodzi yekuputsika kwechibhorani.
3. Madhiri madiki eMicro-Drills Anoda Maitiro Akanyatsonaka Ekuvhara
Zvichienzaniswa nezvishandiso zvekucheka zvemazuva ose, maPCB micro-drills ane saizi diki uye ane hunyanzvi hwekuboorera uye ma geometries epamusoro-soro. Saka, ma coatings e micro-drill haagone kungotarisa pakuoma kwakanyanya. Ukobvu hwefirimu, kunaka kwepamusoro uye kunamira kwe coatings-substrate zvinofanirawo kudzorwa nokungwarira.
Kana chifukidziro chacho chakatetepa, dziviriro yacho kubva pakusakara inogona kunge isina kukwana. Kana chakakora zvakanyanya, chinogona kuchinja chimiro chemupendero wekucheka nepadiki uye kukonzera kutenderera kana kugomara kwemucheto. Kana dhayamita yacho iri diki, kucheka kwacho kunonyanya kuomarara pakukora kwechidzitiro.
Kuiswa kwearc cathodic yakajairika kunogonawo kugadzira macroparticles. Kana macroparticles aya akaiswa pedyo nenzvimbo yekuboorera, mupendero wekucheka kana mupendero, anogona kuwedzera kukora kwepazasi uye kukanganisa kupinza kwekucheka. Kune ma micro-drills akapfava ane dhayamita iri pasi pe0.1 mm, zvidimbu zvehukuru hwakafanana zvinogona kukanganisa zvakanyanya maitiro ekucheka.
Madhiri eMicro-drill anewo zvinhu zvakaoma zvine mativi matatu, zvinosanganisira nzvimbo yekuboorera, mipendero yekucheka, mipendero uye flute dzehelical chip. Panguva yekuboorera, dhizaini yemidziyo, huwandu hwemutoro uye kufamba kwesubstrate zvinofanirwa kugadziriswa zvakakwana kuti zviwane kufukidza kwakakwana kwecoating munzvimbo dzakasiyana dzekushanda uku zvichichengetedza kuenderana pakati pemadhiri emicro-drill ega ega.
4. Zhenhua Vacuum PCB Micro-Drill Coating Solution — FMA0605 Hard-Coating System
Kuti ikwanise kuzadzisa zvinodiwa zvema micro-drills nezvimwe zvishandiso zvekucheka zvakanyatsonaka, Zhenhua Vacuum FMA0605 Hard-Coating System inoshandisa tekinoroji ye magnetic filtered cathodic arc. Iyi tekinoroji inosefa macroparticles anogadzirwa panguva ye cathodic arc deposition, zvichiita kuti ta-C coatings ikwanise kuisa zvakanaka uye kushanda zvakanaka kwe coatings.
Machira eta-C anoiswa nehurongwa anogona kuwana kuomarara kwepakati kusvika ku63 GPa uku achichengetedza hunhu hwekukweshana kwakaderera. Kuomarara kwakanyanya kunobatsira kudzivirira kukweshana kunokonzerwa nefibers dzegirazi uye mafiller akaoma mumaPCB laminates. Kukweshana kwakaderera kunobatsira kuderedza kuramba pakati pe micro-drill, laminate nemachips, ukuwo kuchideredza kunamira kwemachips uye kugadzira mamiriro epamusoro akanaka ekuti kuchera kurambe kuchienderera mberi uye kubvisa machips.
Pamusoro pemachira e-ta-C, sisitimu iyi inogonawo kuisa machira anodzivirira kupisa kwakanyanya uye akaomarara akadai seAlTiN, AlCrN, TiCrAlN, TiAlSiN neCrN. Machira aya akaiswa pamaforoma, maturusi ekucheka, mabhomba, zvikamu zvemotokari, mapistoni nezvimwe zvigadzirwa zvinodzivirira kupera.
5. Mhedziso
Sezvo kuchera kwePCB kuri kuramba kuchienderera mberi kusvika pakukura kwemaburi madiki uye kunyatsogadzirwa zvakanaka, kukosha kwe kuchera kwe micro-drill hakuchagumiri pakuwedzera hupenyu hwematurusi. Chinonyanya kukosha ndechekuti kuveza kunobatsira kuchengetedza mamiriro epamusoro, kuvandudza hunhu hwemaburi uye kuwedzera kugadzikana panguva yekuchera nguva dzose. Mhinduro inoshanda yekuvhara inofanira kufunga zvakanyanya nezvekuoma kwekuvhara, kushanda kwekukweshana, ukobvu hwefirimu, hunhu hwepamusoro uye kunamira kwe coating-substrate, ukuwo ichifananidzwawo ne micro-drill specification, PCB laminate mhando nemamiriro chaiwo ekuboorera.
Kuburikidza netekinoroji yemagetsi yakasefetwa cathodic arc, Zhenhua Vacuum FMA0605 Hard-Coating System inoderedza mhedzisiro yakaipa yemacroparticles akagadzirwa nearc pamipendero yekucheka yakapfava zvakanyanya. Macoatings eta-C akaomarara uye asina kukweshana anobatsira kunonoka kupfeka micro-drill, kudzikamisa kunaka kwemaburi ePCB uye kuderedza njodzi yekutyoka kwechibhorani zvisina kujairika, zvichipa rutsigiro rwakavimbika rwemidziyo yekuvandudza maitiro ePCB micro-drill coating uye kugadzirwa kwakanyanya.
-Chinyorwa ichi chakabudiswa namugadziri wemidziyo yekuputira vacuumZhenhua Vacuum
Nguva yekutumira: Chikunguru-25-2026