Daim ntawv thov kev siv tshuab ua laser hauv yooj ywm Circuit Court board

Cov khoom siv hluav taws xob hloov pauv tau yooj yim yog ib feem ntawm tag nrho cov khoom siv hloov pauv tau yooj yim, uas feem ntau txhais tau tias yog kab sib nrug tsawg dua 200 μ M lossis micro ntawm tsawg dua 250 μ M hloov pauv tau yooj yim hauv pawg thawj coj saib. Cov khoom siv hluav taws xob hloov pauv tau yooj yim muaj ntau yam kev siv, xws li kev sib txuas lus, khoos phis tawj, cov khoom siv sib txuas thiab cov khoom siv kho mob. Lub hom phiaj ntawm cov khoom tshwj xeeb ntawm cov khoom siv hloov pauv tau yooj yim, cov ntawv no nthuav qhia qee qhov teeb meem tseem ceeb los txiav txim siab hauv kev ua laser ntawm kev ua kom muaj kev sib hloov siab hauv Circuit Court board thiab micro ntawm qhov drilling p>

Cov yam ntxwv tshwj xeeb ntawm cov rooj sib tham hloov pauv tau ua rau nws muaj lwm txoj hauv kev rau cov phiajcim nruj thiab cov phiajcim ib txwm muaj nyob rau ntau zaus. Nyob rau tib lub sijhawm, nws tseem txhawb kev txhim kho ntau yam haujlwm tshiab. Ib feem loj hlob sai tshaj plaws ntawm FPC yog kab txuas sab hauv ntawm lub computer hard disk drive (HDD). Lub taub hau sib nqus ntawm lub hard disk yuav tsum txav rov qab los ntawm lub tshuab tig rau kev tshuaj xyuas, thiab cov khoom siv hloov pauv tau tuaj yeem siv los hloov cov xaim kom paub qhov sib txuas ntawm lub xov tooj sib nqus lub taub hau thiab lub rooj tsav xwm tswj hwm. Cov khoos phis tawj hard disk nce kev tsim khoom thiab txo tus nqi sib dhos los ntawm thev naus laus zis hu ua “tshem tawm cov phaj yooj yim” (FOS). Tsis tas li ntawd, thev naus laus zis raug tshem tawm wireless muaj kev tiv thaiv seismic zoo dua thiab tuaj yeem txhim kho cov khoom ntseeg tau. Lwm high-density saj zawg zog Circuit Court board siv nyob rau hauv hard disk yog interposer flex, uas yog siv los ntawm ncua kev kawm ntawv thiab xws li.

Qhov kev cog qoob loo thib ob ntawm FPC yog kev ntim khoom tshiab hauv Circuit Court. Cov kab hluav taws xob hloov pauv tau siv rau hauv ntim ntim ntim (CSP), ntau cov qauv module (MCM) thiab nti ntawm cov khoom siv hloov pauv tau yooj yim (COF). Ntawm lawv, CSP sab hauv Circuit muaj kev lag luam loj heev, vim tias nws tuaj yeem siv tau hauv cov khoom siv hluav taws xob thiab lub cim xeeb nyem, thiab tau siv dav hauv PCMCIA daim npav, daim npav tsav tsheb, tus pabcuam digital tus kheej (PDAs), xov tooj ntawm tes, pager Digital lub koob yees duab thiab lub koob yees duab digital . Ib qho ntxiv, kua siv lead ua kua zaub (LCD), hloov pauv zaj duab xis polyester thiab number case-jet tshuab luam ntawv cartridge yog lwm qhov peb qhov kev thov loj hlob siab ntawm cov khoom siv hluav taws xob hloov pauv tau yooj yim \

Kev lag luam muaj peev xwm ntawm kev hloov pauv kab thev naus laus zis hauv cov khoom siv nqa tau (xws li lub xov tooj ntawm tes) yog qhov loj heev, uas yog ib yam ntuj tso, vim tias cov cuab yeej no xav tau ntim me me thiab lub cev hnyav kom tau raws li qhov xav tau ntawm cov neeg siv khoom; Ib qho ntxiv, daim ntawv thov tshiab tshaj plaws ntawm kev hloov pauv thev naus laus zis suav nrog cov vaj huam sib luag tiaj tiaj thiab cov cuab yeej siv kho mob, uas tuaj yeem siv los ntawm cov tsim qauv los txo qis ntim thiab qhov hnyav ntawm cov khoom lag luam xws li lub pob ntseg mloog thiab tib neeg cog.

Kev loj hlob loj hauv cov haujlwm saum toj no tau ua rau muaj kev nce ntxiv hauv ntiaj teb kev tsim tawm ntawm cov khoom siv hloov pauv tau yooj yim. Piv txwv li, kev muag khoom txhua xyoo ntawm cov hard disk yuav tsum nce mus txog 345 lab units hauv xyoo 2004, yuav luag ob npaug ntawm xyoo 1999, thiab kev muag khoom ntawm lub xov tooj ntawm tes hauv xyoo 2005 tau kwv yees kwv yees li 600 lab units. Cov kev nce no ua rau nce ntxiv txhua xyoo ntawm 35% hauv kev tsim tawm ntawm cov khoom siv hluav taws xob hloov pauv tau yooj yim, nce mus txog 3.5 lab square metres los ntawm 2002. Xws li cov txiaj ntsig siab xav tau xav tau kev ua haujlwm tau zoo thiab tus nqi qis, thiab cov tshuab ua laser yog ib qho ntawm lawv .

Laser muaj peb lub luag haujlwm tseem ceeb hauv kev tsim cov txheej txheem hloov pauv tau yooj yim: ua thiab tsim (txiav thiab txiav), hlais thiab drilling. Raws li cov cuab yeej ua haujlwm tsis sib cuag, laser tuaj yeem siv rau qhov ua kom pom tseeb me me (100 ~ 500) μ m) Kev siv lub teeb pom kev zoo siab (650MW / mm2) yog siv rau cov khoom siv. Lub zog zoo li no tuaj yeem siv rau kev txiav, drilling, cim, vuam, kos thiab lwm yam ua. Kev ua kom nrawm thiab ua tau zoo cuam tshuam nrog cov khoom ntawm cov khoom siv ua tiav thiab cov yam ntxwv siv lub laser, xws li nthwv dej, lub zog ntom ntom, lub zog siab tshaj, lub plawv dhia dav thiab zaus. Kev ua tiav ntawm lub rooj sib tham hloov pauv tau siv ultraviolet (UV) thiab deb infrared (FIR) lasers. Yav dhau los feem ntau siv excimer lossis UV diode pumped solid-state (uv-dpss) lasers, thaum tom kawg feem ntau siv kaw CO2 lasers div>

Vector scanning thev naus laus zis siv khoos phis tawj los tswj lub iav nruab nrog lub ntsuas ntsuas thiab CAD / CAM software los tsim kev txiav thiab drilling cov duab, thiab siv cov kab ke telecentric kom ntseeg tau tias lub laser ci ncaj qha rau ntawm qhov chaw ua haujlwm </div>

Laser Drilling kev ua tiav muaj qhov tseeb thiab daim ntawv thov dav. Nws yog ib qho cuab yeej zoo tshaj plaws rau kev tsim lub rooj tsav xwm hloov pauv tau yooj yim. Txawm hais tias CO2 laser lossis DPSS laser, cov khoom tuaj yeem ua tiav rau hauv cov duab tom qab tsom mus. Nws tua lub teeb tsom teeb laser nyob txhua qhov chaw ntawm qhov chaw ua haujlwm los ntawm kev txhim kho daim iav ntawm lub galvanometer, tom qab ntawv nqa lub computer lej tswj (CNC) ntawm lub galvanometer los ntawm kev siv vector scanning tshuab, thiab txiav cov duab nrog kev pab los ntawm CAD / CAM software. Qhov “cuab yeej muag” no tuaj yeem yooj yim tswj lub laser nyob rau lub sijhawm tiag tiag thaum tsim qauv hloov pauv. Los ntawm kev kho lub teeb pom kev nqaim thiab ntau yam kev txiav cov cuab yeej, kev ua haujlwm laser tuaj yeem tsim cov qauv tsim duab, uas yog lwm qhov txiaj ntsig tseem ceeb.

Kev ntsuas lub vijtsam tuaj yeem txiav cov substrates xws li zaj duab xis polyimide, txiav tawm tag nrho cov Circuit Court lossis tshem tawm thaj chaw ntawm lub rooj tsav xwm hauv Circuit Court, xws li lub qhov lossis qhov thaiv. Hauv cov txheej txheem ua thiab tsim, lub teeb ci laser ib txwm tig rau thaum daim iav tsom mus rau qhov ua tiav tag nrho, uas yog qhov tsis sib xws rau cov txheej txheem drilling. Thaum lub sijhawm drilling, lub tshuab laser tau qhib tsuas yog tom qab daim iav raug teeb tsa ntawm txhua qhov chaw drilling>

seem

“Slicing” hauv cov lus yog txheej txheem tshem tawm ib txheej ntawm cov khoom los ntawm lwm qhov nrog lub laser. Cov txheej txheem no zoo dua rau laser. Tib lub tshuab ntsuas hluav taws xob tuaj yeem siv los tshem lub dielectric thiab nthuav tawm cov ntaub ntawv coj ua hauv qab no. Lub sijhawm no, qhov ua tau zoo ntawm kev ua laser ib zaug ntxiv qhia txog cov txiaj ntsig zoo. Txij li FIR cov duab hluav taws xob yuav pom los ntawm cov ntawv ci tooj liab, CO2 laser feem ntau siv ntawm no.

tho qhov

Txawm hais tias qee qhov chaw tseem siv cov tshuab siv tshuab ua haujlwm, stamping lossis plasma etching los tsim micro los ntawm qhov, laser drilling tseem yog qhov dav tshaj plaws siv micro los ntawm qhov tsim txoj hauv kev hloov pauv ntawm lub rooj tsav xwm, feem ntau yog vim nws cov khoom lag luam siab, muaj zog yooj yim thiab lub sijhawm ua haujlwm ntev .

Kev siv tshuab ua haujlwm thiab thooj voos kheej kheej siv cov cuab yeej ua kom pom tseeb thiab tuag, uas tuaj yeem ua rau ntawm lub rooj tsav xwm hloov pauv tau yooj yim nrog txoj kab uas hla ze li ntawm 250 μ M, tab sis cov cuab yeej siv tau siab yog kim heev thiab muaj kev pab cuam lub neej luv. Vim tias qhov kev sib dhos siab hloov pauv tau yooj yim, qhov xav tau qhov sib piv qhov siab yog 250 μ M yog qhov me me, yog li kev siv tshuab drilling tsis nyiam.

Plasma etching tuaj yeem siv tau ntawm 50 μ M tuab polyimide zaj duab xis substrate nrog qhov loj me dua 100 μ M, tab sis cov peev txheej peev txheej txheem thiab tus nqi raug siab heev, thiab kev saib xyuas tus nqi ntawm cov txheej txheem ntshav etching kuj tseem siab heev, tshwj xeeb yog cov nqi ntsig txog rau qee qhov kev kho tshuaj khib nyiab thiab khoom siv. Ib qho ntxiv, nws siv sijhawm ntev heev rau kev ua ntshav ntshav los ua kom zoo ib yam thiab ntseeg tau micro vias thaum tsim cov txheej txheem tshiab. Qhov kom zoo dua ntawm cov txheej txheem no yog kev ntseeg siab. Nws tau tshaj tawm tias tus nqi tsim nyog ntawm micro ntawm yog 98%. Yog li ntawd, ntshav etching tseem muaj qee qhov kev lag luam hauv kev kho mob thiab khoom siv avionics div>

Hauv kev sib piv, kev tsim cov micro vias los ntawm laser yog txheej txheem yooj yim thiab tus nqi qis. Kev nqis peev ntawm cov cuab yeej siv laser tsawg heev, thiab laser yog cov cuab yeej tsis tiv tauj. Tsis zoo li kev siv tshuab drilling, yuav muaj cov cuab yeej kim hloov pauv tus nqi. Ib qho ntxiv, niaj hnub kaw CO2 thiab uv-dpss lasers yog kho tsis pub dawb, uas tuaj yeem txo qis qis qis thiab txhim kho kev tsim khoom tau zoo.

Txoj hauv kev tsim cov micro vias ntawm lub rooj sib tham hloov pauv tau zoo ib yam li ntawm pcb txhav, tab sis qee qhov tsis tseem ceeb ntawm laser yuav tsum tau hloov pauv vim qhov sib txawv ntawm txheej txheej thiab tuab. Sealed CO2 thiab uv-dpss lasers tuaj yeem siv tib lub tshuab luam ntawv tshuab luam ntawv zoo ib yam li mould los xyaum ncaj qha ntawm pawg thawj coj hloov pauv tau yooj yim. Qhov sib txawv tsuas yog qhov kev thov siv software yuav tua lub laser thaum lub iav tsom iav los ntawm ib lub micro mus rau lwm qhov. Lub nqaj laser yuav tsis tig mus txog thaum nws mus txog lwm txoj haujlwm drilling. Txhawm rau ua kom lub qhov nyob ib puag ncig mus rau saum npoo ntawm cov khoom siv hloov pauv tau yooj yim hauv lub substrate, lub teeb nrig laser yuav tsum ci ncaj qha ntawm lub rooj tsav xwm hauv Circuit Court, uas tuaj yeem ua tiav los ntawm kev siv lub tshuab tsom iav telecentric nruab nrab ntawm lub iav tsom iav thiab lub substrate (Daim duab 2) ) faib>

Qhov drilled ntawm Kapton siv UV laser

CO2 laser kuj tseem tuaj yeem siv lub ntsej muag lub ntsej muag thev naus laus zis txhawm rau txhawm rau micro vias. Thaum siv cov thev naus laus zis no, cov tooj liab tau siv los ua daim npog ntsej muag, lub qhov yog khawb rau ntawm nws los ntawm cov txheej txheem luam ntawv zoo tib yam, thiab tom qab ntawd cov kab hluav taws xob CO2 lub teeb ci tau muab tso rau ntawm lub qhov ntawm cov ntawv ci tooj liab kom tshem tawm cov khoom siv dielectric.

Micro vias tuaj yeem ua tau los ntawm kev siv lub tshuab hluav taws xob excimer los ntawm txoj hauv kev ntawm daim npog qhov ncauj. Cov thev naus laus zis no xav tau daim duab qhia chaw ntawm daim duab me me lossis tag nrho cov micro ntawm cov khoom siv rau hauv txheej txheej, thiab tom qab ntawd lub tshuab hluav taws xob tshem tawm lub ntsej muag ua rau lub ntsej muag nthuav qhia daim duab daim npog ntsej muag rau saum npoo av, yog li txhawm rau txhawm rau lub qhov. Qhov zoo ntawm excimer laser drilling yog qhov zoo heev. Nws qhov tsis zoo yog qhov nrawm thiab tus nqi siab.

Kev xaiv laser txawm hais tias hom laser rau kev ua lub rooj sib tham hloov pauv tau zoo ib yam li rau kev ua kom nruj pcb, qhov sib txawv ntawm cov khoom thiab tuab yuav cuam tshuam loj heev rau kev ua tsis thiab nrawm. Qee zaum excimer laser thiab hloov pauv zoo siab roj (tshuaj yej) CO2 laser tuaj yeem siv tau, tab sis ob txoj hauv kev no tau qeeb qeeb thiab them nqi siab, uas txwv kev txhim kho kev tsim khoom. Hauv kev sib piv, CO2 thiab uv-dpss lasers tau siv dav, nrawm thiab tus nqi qis, yog li lawv feem ntau yog siv hauv kev tsim thiab ua haujlwm ntawm micro vias ntawm cov laug cam hloov pauv tau yooj yim.

Txawv los ntawm cov pa roj ntws CO2 laser, kaw CO2 laser （http://www.auto-alt.cn block Lub tshuab tso tawm thaiv tau txais los txwv cov roj sib xyaw ua ke laser rau kab noj hniav laser tau teev tseg los ntawm ob daim phiaj hluav taws xob. Cov kab noj hniav laser raug kaw thaum lub sijhawm ua haujlwm tag nrho (feem ntau yog li 2 ~ 3 xyoos). Cov kab noj hniav laser kaw tau muaj cov qauv me me thiab tsis xav tau huab cua sib pauv. Lub taub hau laser tuaj yeem ua haujlwm tsis tu ncua rau ntau dua 25000 teev yam tsis muaj kev saib xyuas. Qhov zoo tshaj plaws ntawm kev tsim qauv sib khi yog tias nws tuaj yeem tsim cov mem tes nrawm. Piv txwv li, lub tshuab tso tawm laser tuaj yeem tso tawm ntau zaus (100kHz) pulses nrog lub zog siab tshaj ntawm 1.5KW. Nrog lub zog siab thiab lub zog siab tshaj plaws, kev ua haujlwm nrawm tuaj yeem ua tiav yam tsis muaj cua sov ua kom puas>

Uv-dpss laser yog cov cuab yeej siv hauv lub xeev uas txuas ntxiv nqus cov neodymium vanadate (Nd: YVO4) siv lead ua pas nrig nrog laser diode array. Nws tsim cov mem tes tso tawm los ntawm kev hloov pauv suab, thiab siv lub tshuab hluav taws xob thib peb sib xyaw kom hloov pauv Nd: YVO4 laser los ntawm 1064nm & nbsp; IR yooj yim wavelength raug txo kom 355 nm UV wavelength. Feem ntau 355nm < / div>

Lub zog tso zis nruab nrab ntawm uv-dpss laser ntawm 20kHz nominal mem tes repetition tus nqi ntau dua 3W div>

Uv-dpss laser

Ob lub dielectric thiab tooj liab tuaj yeem nqus tau yooj yim uv-dpss laser nrog cov zis nthwv dej ntawm 355nm. Uv-dpss laser muaj qhov pom me me thiab qis zog tso tawm ntau dua li CO2 laser. Hauv txheej txheem dielectric ua, uv-dpss laser feem ntau yog siv rau qhov me me (tsawg dua 50%) μ m) Yog li ntawd, txoj kab uas hla tsawg dua 50 yuav tsum tau ua tiav ntawm cov txheej txheem ntawm cov khoom siv hluav taws xob hloov pauv yooj yim μ M micro ntawm , siv UV laser yog qhov zoo tshaj plaws. Tam sim no muaj lub zog loj uv-dpss laser, uas tuaj yeem ua rau kev ua haujlwm thiab ua kom nrawm ntawm uv-dpss laser faib>

Qhov zoo ntawm uv-dpss laser yog tias thaum nws lub zog hluav taws xob UV photons ci rau feem ntau tsis yog xim hlau txheej txheej, lawv tuaj yeem ncaj qha cuam tshuam qhov sib txuas ntawm cov lwg me me, ua rau ntug txiav nrog “txias” txheej txheem txheej txheem, thiab txo qis thermal puas tsuaj thiab hlawv. Yog li, UV micro txiav yog qhov tsim nyog rau qhov xav tau ntau zaus uas tom qab kho tsis yooj yim lossis tsis tsim nyog faib>

CO2 laser (Automation cawm)

Sealed CO2 laser tuaj yeem tso lub nthwv dej ntawm 10.6 μ M lossis 9.4 μ M FIR laser, txawm hais tias ob lub nthwv dej tau yooj yim kom nqus tau los ntawm dielectrics xws li polyimide film substrate, kev tshawb fawb pom tias 9.4 μ Cov txiaj ntsig ntawm M wavelength ua cov khoom no yog zoo dua Dielectric 9.4 μ Kev nqus coefficient ntawm M wavelength siab dua, uas yog qhov zoo dua 10.6 rau kev drilling lossis txiav cov ntaub ntawv μ M yoj yoj yoj nrawm. cuaj taw tes plaub μ M laser tsis tsuas yog muaj qhov txiaj ntsig zoo hauv kev drilling thiab txiav, tab sis kuj tseem muaj cov txiaj ntsig zoo tshaj plaws. Yog li ntawd, kev siv lub laser ntais ntawv luv luv tuaj yeem txhim kho kev tsim khoom thiab ua tau zoo.

Feem ntau hais lus, fir wavelength tau yooj yim nqus los ntawm dielectrics, tab sis nws yuav rov ua dua los ntawm tooj liab. Yog li ntawd, feem ntau cov lasers CO2 tau siv rau kev ua dielectric, molding, hlais thiab tshem tawm ntawm dielectric substrate thiab laminate. Vim tias lub zog tso tawm ntawm CO2 laser ntau dua li ntawm DPSS laser, CO2 laser tau siv los ua cov txheej txheem dielectric feem ntau. CO2 laser thiab uv-dpss laser feem ntau siv ua ke. Piv txwv li, thaum drilling micro vias, ua ntej tshem cov txheej tooj liab nrog DPSS laser, thiab tom qab ntawd nrawm nrawm qhov hauv txheej dielectric nrog CO2 laser kom txog rau thaum cov tooj liab tom ntej txheej tshwm, thiab tom qab ntawd rov ua cov txheej txheem.

Vim tias lub nthwv dej ntawm UV laser nws tus kheej yog luv heev, lub teeb pom kev tawm los ntawm UV laser yog qhov zoo dua li ntawm CO2 laser, tab sis hauv qee qhov kev thov, qhov loj-lub teeb pom lub teeb tsim los ntawm CO2 laser muaj txiaj ntsig ntau dua li uv-dpss laser. Piv txwv li, txiav cov ntaub ntawv hauv cheeb tsam loj xws li cov nqaj thiab cov thaiv lossis cov qhov loj (txoj kab uas hla ntau dua 50) μ m) Nws siv sijhawm tsawg dua los ua cov txheej txheem CO2 laser. Feem ntau hais lus, aperture piv yog 50 μ Thaum m loj, CO2 kev ua haujlwm laser yog qhov tsim nyog dua, thiab lub aperture tsawg dua 50 μ M, cov txiaj ntsig ntawm uv-dpss laser zoo dua.