Kugwiritsa ntchito ukadaulo waukadaulo wa laser mu bolodi losinthasintha

Mkulu osalimba board board yoyenda ndi gawo limodzi lama board osinthasintha, omwe amadziwika kuti mzere wosakwana 200 μ M kapena yaying’ono kudzera ochepera 250 μ M bolodi wosinthasintha. Mkulu osalimba bolodi loyendetsa limakhala ndi ntchito zosiyanasiyana, monga mafoni, makompyuta, ma circuits ophatikizika ndi zida zamankhwala. Poyerekeza ndi zida zapadera zama board board, pepalali limabweretsa zovuta zina zomwe zingaganizidwe pokonza laser la bolodi losanjikiza kwambiri komanso yaying’ono kudzera pobowola p>

Makhalidwe apadera osinthika a bolodi amasintha kukhala njira ina yolimbirana ndi dera loyenda ndi zingwe zamaulendo nthawi zambiri. Nthawi yomweyo, imalimbikitsanso chitukuko cha magawo ambiri atsopano. Gawo lokula kwambiri la FPC ndikulumikiza kwamkati kwa hard disk drive (HDD). Maginito mutu wa disk wolimba amayenda uku ndi uku pa disk yozungulira kuti isanthule, ndipo dera losinthika lingagwiritsidwe ntchito m’malo mwa waya kuti muzindikire kulumikizana pakati pa mutu wamagetsi wamagetsi ndi bolodi loyang’anira dera. Opanga ma hard disk amakulitsa ndikupanga ndikuchepetsa mtengo wamisonkhano kudzera paukadaulo wotchedwa “mbale yosunthika yosunthika” (FOS). Kuphatikiza apo, ukadaulo woyimitsa wopanda zingwe umatha kukana zivomerezi ndipo umatha kusintha kudalirika kwa malonda. Bolodi ina yamagetsi yosanjikiza kwambiri yomwe imagwiritsidwa ntchito pa hard disk ndiyotanthauzira yotanthauzira, yomwe imagwiritsidwa ntchito pakati pa kuyimitsidwa ndi kuwongolera.

Gawo lachiwiri lokula la FPC ndipangidwe watsopano wophatikizika. Maseketi osinthika amagwiritsidwa ntchito popanga ma chip level (CSP), multi chip module (MCM) ndi chip pa board circuit (COF). Pakati pawo, dera la CSP lili ndi msika waukulu, chifukwa limatha kugwiritsidwa ntchito pazida zama semiconductor ndi kukumbukira kwa flash, ndipo limagwiritsidwa ntchito kwambiri pamakadi a PCMCIA, ma disk drive, othandizira ma digito (PDAs), mafoni, makamera a digito ndi kamera ya digito . Kuphatikiza apo, kuwonetsa kristalo wamadzi (LCD), switch yama polyester yamagetsi ndi inki-jet chosindikizira ma cartridge ndi mbali zina zitatu zokulirapo pakukula kwa board-dera

Kuthekera kwamsika kwa ukadaulo wamizere wosinthika wazida zonyamula (monga mafoni) ndichachikulu kwambiri, chomwe ndi chachilengedwe kwambiri, chifukwa zida izi zimafunikira voliyumu yaying’ono komanso kulemera pang’ono kuti zikwaniritse zosowa za ogula; Kuphatikiza apo, mapulogalamu aposachedwa kwambiri aukadaulo wosinthasintha akuphatikizira ziwonetsero zamagetsi ndi zida zamankhwala, zomwe zitha kugwiritsidwa ntchito ndi opanga kuti achepetse kuchuluka ndi kulemera kwa zinthu monga zothandizira kumva ndi zopangira anthu.

Kukula kwakukulu m’minda yomwe yatchulidwa pamwambapa kwapangitsa kuti pakhale kuwonjezeka kwapadziko lonse lapansi kwama board osinthasintha. Mwachitsanzo, kuchuluka kwa ma disks olimba pachaka kumayembekezeredwa kufikira 345 miliyoni mu 2004, pafupifupi kawiri ku 1999, ndipo kuchuluka kwa mafoni mu 2005 akuti mwina ndi mayunitsi 600 miliyoni. Kuwonjezeka kumeneku kumabweretsa kuwonjezeka kwapachaka kwa 35% pamitengo yama board osalimba kwambiri, kufika mamitala mamiliyoni 3.5 miliyoni pofika 2002. Kutulutsa kochuluka kotere kumafunikira ukadaulo wogwira ntchito komanso wotsika mtengo, ndipo ukadaulo waukadaulo wa laser ndi umodzi wawo .

Laser ali ntchito zitatu zazikulu mu kupanga ndondomeko ya bolodi dera kusintha: processing ndi kupanga (kudula ndi kudula), slicing ndi kuboola. Monga chida chosalumikizana ndi makina, laser itha kugwiritsidwa ntchito mozama kwambiri (100 ~ 500) μ m) Mphamvu yayikulu yamphamvu (650MW / mm2) imagwiritsidwa ntchito pazinthuzo. Mphamvu zoterezi zitha kugwiritsidwa ntchito pocheka, kuboola, kulemba, kuwotcherera, chodetsa ndi kukonza kwina. Kuthamanga kwake ndi mtundu wake ndizokhudzana ndi zinthu zomwe zakonzedwa ndi mawonekedwe a laser omwe amagwiritsidwa ntchito, monga mawonekedwe a kutalika kwa mphamvu, mphamvu ya mphamvu, mphamvu yayikulu, kukula kwazomwe zimachitika komanso pafupipafupi. Kukonzekera kwa board board yosinthika kumagwiritsa ntchito ma ultraviolet (UV) ndi ma infrared (MOTO) lasers. Omwe amagwiritsira ntchito ma excimer kapena UV diode opopera olimba (uv-dpss) lasers, pomwe omalizirayo amagwiritsa ntchito ma CO2 lasers div>

Vector scanning technology imagwiritsa ntchito makompyuta kuwongolera galasi lokhala ndi mita yoyenda ndi pulogalamu ya CAD / CAM kuti ipange zojambula zodulira ndi kuboola, ndipo imagwiritsa ntchito makina a telecentric kuti awonetsetse kuti laser likuwala molunjika pamalo opangira ntchito </ div>

Laser pobowola processing ali mwatsatanetsatane mkulu ndi ntchito lonse. Ndi chida chabwino chopangira bolodi losinthasintha. Kaya laser ya CO2 kapena laser ya DPSS, zinthuzo zimatha kusinthidwa kukhala mawonekedwe aliwonse mukangoyang’ana. Imawombera mtanda wa laser paliponse pamalo opangira ntchito poyika galasi pa galvanometer, kenako imagwiritsa ntchito makina owerengera makompyuta (CNC) pa galvanometer pogwiritsa ntchito ukadaulo wa vekitala, ndikupanga zojambulajambula mothandizidwa ndi pulogalamu ya CAD / CAM. “Chida chofewa” ichi chimatha kuwongolera mosavuta laser mu nthawi yeniyeni pomwe kapangidwe kamasinthidwa. Mwa kusintha kupindika kwa kuwala ndi zida zosiyanasiyana zodulira, kukonza kwa laser kumatha kubzala molondola zojambula, zomwe ndi mwayi wina waukulu.

Vector chindodo akhoza kudula magawo monga polyimide filimu, kudula dera lonse kapena kuchotsa malo pa bolodi dera, monga kagawo kapena chipika. M’kati pokonza ndi kupanga, ndi laser mtengo nthawi zonse anatembenukira pamene galasi mapanga sikani lonse processing padziko, zomwe ndi zosiyana ndi ndondomeko kuboola. Pakubowola, laser imatsegulidwa kokha galasi likakhazikika pamalo aliwonse pobowola div>

gawo

“Kudula” mumtsuko ndi njira yochotsera chinthu chimodzi ndi laser. Njirayi ndiyabwino kwambiri kwa laser. Tekinoloje yomweyo yosakira vekitala itha kugwiritsidwa ntchito kuchotsa ma dielectric ndikuwonetsa phukusi loyendetsa pansipa. Pakadali pano, kugwiranso ntchito kwambiri kwa laser kumawonetsanso zabwino zambiri. Popeza cheza cha laser chimawonetsedwa ndi zojambulazo zamkuwa, laser ya CO2 imagwiritsidwa ntchito pano.

kuboola dzenje

Ngakhale malo ena amagwiritsabe ntchito pobowola makina, kupondaponda kapena kupanga plasma kuti apange yaying’ono kudzera m’mabowo, kubowola laser ndi njira yomwe imagwiritsidwa ntchito kwambiri kudzera pamabowo omwe amapanga njira zosinthira, makamaka chifukwa chazambiri zokolola, kusinthasintha kwamphamvu komanso nthawi yayitali yantchito .

Mawotchi pobowola ndi kupondaponda amatenga tinthu tating’onoting’ono tating’ono ndikufa, komwe kumatha kupangidwira pa bolodi yoyenda yosanjikiza yokhala ndi pafupifupi 250 μ M, koma zida zapamwamba kwambiri izi ndizokwera mtengo kwambiri ndipo zimakhala ndi moyo wanthawi yayifupi. Chifukwa cha kachulukidwe kake kosanja kocheperako, chiŵerengero chofunikira chotsegulira ndi 250 μ M ndichaching’ono, motero kuboola makina sikukondedwa.

Plasma etching itha kugwiritsidwa ntchito pa 50 μ M wandiweyani polyimide film gawo lokhala ndi kukula kochepera 100 μ M, koma zida zopangira zida ndi mtengo wamagetsi ndizokwera kwambiri, ndipo mtengo wokonzanso njira yotsegulira plasma ndiyokwera kwambiri, makamaka mtengo wokhudzana mankhwala ena owononga mankhwala. Kuphatikiza apo, zimatenga nthawi yayitali kuti mapangidwe a plasma apange ma vias ochepa komanso odalirika poyambitsa njira yatsopano. Ubwino wa njirayi ndikudalirika kwambiri. Zimanenedwa kuti muyeso woyenera wa micro kudzera ndi 98%. Chifukwa chake, kujambula kwa plasma kumakhalabe ndi msika wina wazida zamankhwala ndi ma avionics div>

Mosiyana ndi izi, kunama kwa vias yaying’ono ndi laser ndichinthu chosavuta komanso chotsika mtengo. Kugulitsa zida za laser ndikotsika kwambiri, ndipo laser ndichida chosalumikizirana. Mosiyana ndi kuboola makina, padzakhala chida chamtengo wapatali chosinthira. Kuphatikiza apo, ma lasers amakono osindikizidwa a CO2 ndi UV-dpss amakhala opanda kukonza, komwe kumatha kuchepetsa nthawi yopumira komanso kukonza bwino zokolola.

Njira yopangira ma vias yaying’ono pama board osinthasintha ndi ofanana ndi pcb okhwima, koma magawo ena ofunikira a laser ayenera kusinthidwa chifukwa cha kusiyana kwa gawo lapansi ndi makulidwe. Losindikizidwa CO2 ndi UV-dpss lasers atha kugwiritsa ntchito ukadaulo wosakira vekitala womwewo poumba kuti mubowole molunjika pa bolodi losinthasintha. Kusiyana kokha ndikuti pobowolera pulogalamuyi izimitsa laser panthawi yojambulira galasi kuchokera pa micro kupita pa ina. The laser mtengo sichidzatsegulidwa mpaka ikafika pamalo ena obowoleza. Pofuna kuti dzenje likhale loyang’ana pamwamba pa gawo lokhazikika lazitsulo, dothi la laser liyenera kuwala mozungulira pagawo loyang’anira dera, lomwe limatheka chifukwa chogwiritsa ntchito makina opangira ma telecentric pakati pa galasi loyang’ana ndi gawo lapansi (mkuyu 2) div>

Mabowo amabowola pa Kapton pogwiritsa ntchito laser ya UV

Laser ya CO2 itha kugwiritsanso ntchito ukadaulo wamakina oyendera limodzi kubowola ma vias ang’onoang’ono. Mukamagwiritsa ntchito ukadaulo uwu, mawonekedwe amkuwa amagwiritsidwa ntchito ngati chigoba, mabowo amakhazikika pa iwo ndi njira wamba yosindikizira, kenako mtanda wa laser wa CO2 umayatsidwa pa mabowo a zojambulazo zamkuwa kuti muchotse zida zowonekera za dielectric.

Ma vias ang’onoang’ono amatha kupangidwanso pogwiritsa ntchito laser ya excimer kudzera mu mask. Tekinoloje iyi imayenera kujambula chithunzi cha yaying’ono kudzera pa yaying’ono kapena yaying’ono kudzera pagawo, kenako mtanda wa laser umayatsa chigoba ndikujambula chithunzi cha chigoba kumtunda, kuti kuboola dzenjelo. Khalidwe la excimer laser pobowola ndi zabwino kwambiri. Zoyipa zake ndizotsika mtengo komanso kukwera mtengo.

Laser kusankha ngakhale laser mtundu pokonza kusintha dera bolodi ndi chimodzimodzi pokonza pcb okhwima, kusiyana kwakuthupi ndi makulidwe kudzakhudza magawo ake akukonzekera ndi liwiro. Nthawi zina makina a tiyi osakanikirana ndi osakanikirana (tiyi) a CO2 amatha kugwiritsidwa ntchito, koma njira ziwirizi zimachedwetsa komanso zimakonza mitengo yambiri, zomwe zimachepetsa kusintha kwachonde. Poyerekeza, ma CO2 ndi ma lasers a UV-dpss amagwiritsidwa ntchito kwambiri, mwachangu komanso pamtengo wotsika, chifukwa chake amagwiritsidwa ntchito pakupanga ndi kukonza ma vias yaying’ono yama board osinthika.

Osiyana ndi mpweya wamafuta CO2 laser, losindikizidwa CO2 laser （http://www.auto-alt.cn technology Ukadaulo wotulutsa ukadaulo umakhazikitsidwa kuti muchepetse kusakanikirana kwa mpweya wa laser kumalo opangira ma laser otchulidwa ndi mbale ziwiri zamagetsi zamagetsi. Laser patsekeke imasindikizidwa nthawi yonse yantchito (nthawi zambiri pafupifupi zaka 2 ~ 3). Makina osindikizidwa a laser ali ndi mawonekedwe oyenera ndipo safuna kuwunikira mpweya. Mutu wa laser ukhoza kugwira ntchito mosalekeza kwa maola opitilira 25000 popanda kukonza. Ubwino waukulu pakupanga kusindikiza ndikuti imatha kupanga nyemba zofulumira. Mwachitsanzo, laser yotulutsa block imatha kutulutsa ma frequency apamwamba (100kHz) okhala ndi mphamvu yayikulu ya 1.5KW. Ndi mafupipafupi komanso mphamvu yayitali, makina achangu atha kuchitidwa popanda kuwonongeka konsekonse kwa div>

Laser ya Uv-dpss ndichida cholimba chomwe chimayamwa mosalekeza neodymium vanadate (Nd: YVO4) kristalo ndodo yokhala ndi ma diode osiyanasiyana. Imapanga zimachitika zotulutsa ndi acousto-optic Q-switch, ndipo imagwiritsa ntchito jenereta yachitatu ya kristalo yosintha kusintha kwa Nd: YVO4 laser kuchokera ku 1064nm & nbsp; Kutalika kwapakati pa IR kumachepetsedwa kukhala 355 nm UV wavelength. Zambiri 355nm </ div>

Wapakati mphamvu yotulutsa ya UV-dpss laser pa 20kHz mwadzina kugunda kwa kubwereza kwa mlingo woposa 3W div>

UV-dpss laser

Onse dielectric ndi mkuwa amatha kuyamwa mosavuta uv-dpss laser wokhala ndi kutalika kwa 355nm. Laser ya UV-dpss ili ndi malo ocheperako komanso mphamvu zochepa poyerekeza ndi CO2 laser. Pakukonza ma dielectric, laser ya uv-dpss imagwiritsidwa ntchito pakukula kocheperako (ochepera 50%) μ m) Chifukwa chake, m’mimba mwake zosakwana 50 ziyenera kukonzedwa pagawo lapa bolodi wosanjikiza wambiri μ M yaying’ono kudzera , Kugwiritsa ntchito UV laser ndikwabwino kwambiri. Tsopano pali mphamvu yayikulu ya UV-dpss laser, yomwe imatha kukulitsa kukonza ndi kubowola liwiro la uv-dpss laser div>

Ubwino wa UV-dpss laser ndikuti pamene ma photoni ake amphamvu kwambiri a UV amawunikira pazambiri zopanda zachitsulo, amatha kuthyola ulalo wamolekyulu, kusalaza malire ndi njira yozizira yojambula, ndikuchepetsa kuwonongeka kwa kutentha ndi kutentha. Choncho, UV yaying’ono kudula ndi oyenera nthawi kufunika kwambiri kumene pambuyo mankhwala ndi zosatheka kapena zosafunika div>

CO2 laser (zokha njira)

Laser yotsekedwa ya CO2 imatha kutulutsa mawonekedwe a 10.6 μ M kapena 9.4 μ M MOTO laser laser, ngakhale ma wavelengths onse ndiosavuta kutengeka ndi ma dielectric monga polyimide substrate film, kafukufukuyu akuwonetsa kuti 9.4 μ Mphamvu ya M wavelength ikukonzekera mtundu uwu wazinthu ndibwino kwambiri. Dielectric 9.4 μ Kuchulukitsa kwamphamvu kwa M wavelength ndikokwera, komwe kuli bwino kuposa 10.6 pobowola kapena kudula zinthu μ M kutalika kwa mawonekedwe a M. Mfundo zisanu ndi zinayi zinayi μ M laser sizili ndi zabwino zokha pobowola ndi kudula, komanso zimakhala ndi zotsatira zabwino kwambiri. Chifukwa chake, kugwiritsidwa ntchito kwa laser lalifupi kumatha kupititsa patsogolo zokolola ndi mtundu.

Nthawi zambiri, kutalika kwa fir kumangotengeka mosavuta ndi ma dielectric, koma kumawonekera mmbuyo ndi mkuwa. Chifukwa chake, ma lasers ambiri a CO2 amagwiritsidwa ntchito pokonza ma dielectric, kuwumba, kudula ndi kuyeretsa gawo la dielectric ndi laminate. Chifukwa mphamvu yotulutsa ya CO2 laser ndiyokwera kuposa ya DPSS laser, CO2 laser imagwiritsidwa ntchito pokonza ma dielectric nthawi zambiri. Laser ya CO2 ndi laser ya UV-dpss imagwiritsidwa ntchito limodzi. Mwachitsanzo, mukamaboola ma vias ang’onoang’ono, choyamba chotsani chosanjikiza chamkuwa ndi laser ya DPSS, kenako mubowole mabowo muzitsulo za dielectric ndi laser ya CO2 mpaka chovala china chamkuwa chikuwonekera, kenako nkubwereza ndondomekoyi.

Chifukwa kutalika kwa dzuwa la laser palokha ndikofupikitsa, malo owala opangidwa ndi UV laser ndiabwino kuposa a CO2 laser, koma m’ma ntchito ena, malo owala akulu opangidwa ndi CO2 laser ndi othandiza kuposa laser ya UV-dpss. Mwachitsanzo, dulani zida zazikulu zam’madera monga ma grooves ndi zotchinga kapena kuboola mabowo akulu (m’mimba mwake kuposa 50) μ m) Zimatenga nthawi yocheperako kukonza ndi laser ya CO2. Nthawi zambiri, kuchuluka kwa kabowo ndi 50 μ Pamene m ndi yayikulu, CO2 laser processing ndiyofunikira kwambiri, ndipo kabowo katsika 50 μ M, mphamvu ya laser ya uv-dpss ndiyabwino.