ATE PCB: Yakakosha Testing Interface yeSemiconductor Manufacturing

ziviso

Mukuyedza kwe semiconductor , ATE PCB (Automatic Test Equipment printed circuit board) inoshanda senzvimbo yakakosha pakati pemasisitimu ekuyedza akaomarara nemasekete akabatanidzwa ari kuongororwa.

Iri rakasarudzika redunhu bhodhi rinogonesa kufambisa kwechiratidzo, kuyerwa kwemagetsi kwakaringana, uye kusimbiswa kwekuita kwakazara mukati meiyo IC yekugadzira kutenderera. Sezvo semiconductor zvishandiso zvinokura zvakanyanya kuoma, iyo ATE PCB yave yakakosha pakuona kwemhando yemudziyo, kushanda, uye kuvimbika kusati kwatumirwa kupedzisa vatengi.

Chii chinonzi ATE PCB uye Inoshanda Sei

Iyo ATE PCB idhizaini-yakagadzirwa bvunzo redunhu bhodhi rinovhara mukaha pakati pepamusoro-chaiyo bvunzo chiridzwa uye mudziyo uri mukuedzwa (DUT). Kusiyana neakajairwa akadhindwa edunhu mabhodhi, aya ehunyanzvi ekuyedza mabhodhi anofanirwa kugarisa anodiwa emagetsi maratidziro uku achipa anodzokororwa mamiriro ebvunzo muzviuru zvemayedzo ekutenderera.

Iyo nzira yechiratidzo inoyerera ichibva kuATE system kuburikidza neiyo interface board kuenda kuload board (rudzi rweATE PCB), ipapo kuburikidza neyakajeka test socket kuenda kuDUT. Ichi chivakwa chinogonesa inodzorwa impedance routing, kwakaringana magetsi kuendesa, uye yakakwirira-kumhanya yekutora data yakakosha pakusimbisa yazvino semiconductor zvishandiso. Iyo yekuyedza PCB inofanirwa kubata masaini eanalog, mapatani edhijitari, zviyero zveRF, uye manejimendi emagetsi mukati mezvakatemerwa kushivirira zvakatemwa.

Mhando dzeATE PCB dzeMatanho Akasiyana Ekuedza

Load Board

Bhodhi rekutakura rinomiririra rudzi rweATE PCB rwakajairika rwunoshandiswa panguva yekuyedzwa kwekupedzisira kwemasekete akabatanidzwa akarongwa. Mabhodhi aya anosimbisa kusimba kwechiratidzo mumachaneli akawanda uku achipa simba rakagadzikana kumidziyo inoshanda nekumhanya kwakazara. Mabhodhi ekutakura anowanzo kuve nematanho ekudzivirira anodzorwa, manetwork ekuenzanisa ekudzivirira akarurama, uye kufukidzwa kwakawanda kwepasi kuti kuderedze kukanganiswa kwemagetsi panguva yekushanda kwekuyedza nekukurumidza.

Probe Card PCB

MaPCB emakadhi eprobe anogonesa kuyedzwa kwewafer-level isati yapatsanurwa uye kurongedza. Aya maPCB eATE ane ultra-fine pitch probe arrays anoita kusangana kwemagetsi kwenguva pfupi nema microscopic bond pads pama silicon wafers. Dhizaini iyi inoda kugadzikana kwakanyanya uye nzira dzakanyatsorongeka kuti ive nechokwadi chekuti probe-to-pad inobatana zvakanaka pamusoro pewafer.

Kusvirwa-mukati Board

Mabhodhi anopiswa anoisa michina mumamiriro ekumanikidzwa anokurumidza kusanganisira tembiricha yakakwira uye nguva refu yekushanda. Aya maPCB eATE anofanira kutsungirira kupisa kwemhepo pakati pe150°C uku achichengetedza mashandiro emagetsi. Kuvakwa kwakasimba nezvinhu zvinopisa zvakanyanya uye zvivakwa zvemakanika zvakasimbiswa kunoita kuti zvive zvakavimbika munguva yakareba yekuedza.

Interface Board

Mabhodhi ekubatanidza anobatanidza ATE mainframe kumabhodhi ekutakura zvinhu anoenderana nemudziyo, zvichipa conditioning yesignal, kushandura voltage, uye kushandura protocol. Iyi layer yepakati inobvumira magadzirirwo akasiyana eATE PCB kuti ashande nemidziyo yekuyedza yakajairwa, zvichivandudza kuchinjika kwesystem uye kuderedza mari yehardware.

Yakakosha Dhizaini Mafungiro eATE PCB Development

Signal Kutendeseka Injiniya

High-speed chiratidzo chekufambisa chinoda inodzorwa impedance routing ine inofananidzwa yekutevera kureba kune akasiyana maviri maviri uye akawanda-channel mabhazi. Vagadziri ve ATE PCB vanotsanangudza zvigadziriso zvema stackup zvine chinangwa chekuvhiringidza kazhinji kubva pamakumi mashanu kusvika pazana ohms. Maturusi ekuenzanisa anosimbisa kunaka kwechiratidzo kusati kwagadzirwa, kuratidza zvingangoitika nekufungidzira, crosstalk, uye kurasikirwa kwekuisa izvo zvinogona kukanganisa chokwadi chebvunzo.

Advanced Material Selection

MaPCB emazuva ano eATE anoshandisa zvinhu zve laminate zvinorasikirwa zvishoma zvakaita se specialty low-loss laminate series kana Panasonic Megtron 6 kuderedza kuora kwechiratidzo pa gigahertz frequency. Zvinhu izvi zvinopa low dielectric constant (Dk) values ​​pakati pe3.3 ne3.8, uye dissipation factor (Df) values ​​pasi pe0.005, zvakakosha pakuchengetedza kuvimbika kwechiratidzo. Kusarudzwa kwezvinhu kunokanganisa zvakananga kuyera kwakarurama uye throughput yekuedza munzvimbo dzekugadzira.

Complex Multilayer Kuvaka

ATE PCB stackups inowanzosiyana kubva pagumi kusvika pamakumi matatu akaturikidzana kuti agamuchire mitsetse yechiratidzo, ndege dzemagetsi akawanda, uye mareferensi epasi akazara. Layer sequencing inoteedzera yakasimba dhizaini mitemo inoparadzanisa masaini-anomhanya-mhanya kubva kune anotemesa analogi traces uku ichipa yakaringana simba rekugovera. Mapofu uye akavigwa vias anoderedza dhizaini shanduko uye kuvandudza routing density pasina kukanganisa magetsi kuita.

Precision Fabrication Maitiro

Kugadzira ATE PCBs kunoda kushivirira kwakasimba pane akajairwa edunhu mabhodhi. Laser-drilled microvias inogonesa yakakwirira-density yekubatanidza ine via-mu-pad zvigadziriso izvo zvinoderedza kureba kwenzira yechiratidzo. Kunyoreswa kwechokwadi mukati me ± 0.025mm (± 0.001 inches) inovimbisa kurongeka kwakaringana pakati pezvikamu uye maficha epamusoro. Mabhodhi akapedzwa anoedzwa akakwana emagetsi anosanganisira kuenderera mberi, kuongororwa kwekuzviparadzanisa nevamwe, uye kusimbiswa kwe impedance.

Thermal Management Architecture

Midziyo yemagetsi uye maIC ane huwandu hwakawanda anogadzira kupisa kwakanyanya panguva yekuyedza. Magadzirirwo eATE PCB anosanganisira ma thermal vias anobatanidza zvikamu zvinogadzira kupisa kune mapuraneti emukati memhangura kana masinki ekunze ekupisa. Dhizaini chaiyo yekupisa inodzivirira kuyerera kwekuyerwa kwekupisa uye inowedzera hupenyu hwebasa rezvikamu mukati memamiriyoni ekuisa bvunzo.

Kugadzira Zvinodikanwa zvePamusoro-Kuita ATE PCBs

Controlled Impedans Specifications

Test board mashandisirwo anoda impedance kushivirira mukati me ± 5 kusvika 10 muzana kuchengetedza chiratidzo chekuvimbika. Zvigadziriso zvekugadzira zvinosanganisira chaiyo dielectric ukobvu manejimendi, huremu hwemhangura, uye kutsvaga hupamhi hwekutonga mukati me ± 0.013mm (± 0.0005 inches). Nguva-domain reflectometry (TDR) kuyedza inosimbisa impedance profiles munzira dzakakosha dzechiratidzo pamberi pebhodhi kuendesa.

Surface Finish uye Planarity Control

Iyo interface pakati pemasoketi ekuedzwa uye ATE PCBs inoda yakasarudzika yepasi planarity kuve nechokwadi chekusangana kwekumanikidza. Kurongeka kweflatness kazhinji kunoda kutsauka pasi pe0.05mm (0.002 inches) mhiri kwenzvimbo yekumisikidza socket. Electroless nickel immersion gold (ENIG) kana electroless nickel electroless palladium immersion gold (ENEPIG) inopera inopa yakavimbika yemagetsi kubata uye kuramba oxidation pamusoro pekudzokorora kuiswa.

Electrical Testing Protocols

Yese ATE PCB inosangana neyakaomesesa yemagetsi verification inosanganisira:

• Kuedza kuenderera mberi - Kusimbisa kubatana kwese kuri pakati penzvimbo dzekuyedza nemapedhi ezvikamu.

• Kuedzwa kwekuzviparadzanisa - Kusimbiswa kwekuti mambure asina kubatana anochengetedza kupatsanurwa kwemagetsi kwakakodzera kupfuura 10 megohms.

• Kuyedzwa kwakasimba - Kusimbiswa kwesimba re dielectric pakati pemagetsi emagetsi nematombo epasi pamagetsi akakwira.

• Kusimbiswa kweImpedance - Zviyero zveTDR zvinosimbisa marongero eImpedance akadzorwa zvinosangana nezvinodiwa zvemagadzirirwo akasiyana-siyana.

Injiniya Solutions dzeCommon ATE PCB Matambudziko

Kutarisira High-Frequency Signal Loss

Signal attenuation inova yakakosha pamulti-gigahertz frequencies uko kunyange hurefu hupfupi hwekutsvaga hunounza kurasikirwa kunoyerwa. Mhinduro dzinosanganisira kusarudza ultra-low-losss dielectric materials, kuderedza kuburikidza neshanduko, uye kushandisa inoenderera mberi ndege dzepasi dziri padyo nezviratidzo. Kungwarira impedance kudzora pane zvese zvinongedzo uye bvunzo sockets inochengetedza chiratidzo chemhando munzira yese yekuyedza.

Kuve nechokwadi chekuonana Kuvimbika

Iyo interface pakati peye test socket neDUT inomiririra yakajairika yekutadza nzvimbo muATE masisitimu. Goridhe kana palladium-nickel plating pamapadhi ekubata inopokana neoxidation uye inoderedza kusangana kwekupokana pamusoro pekudzokororwa kuiswa. Surface planarity specifications inovimbisa yunifomu yekumanikidza kugovera pane ese socket pini, kudzivirira kupindirana kunobatanidza kunokanganisa mhinduro dzebvunzo.

Kufambisa Maintenance uye Socket Replacement

Modular socket dhizaini ine inotsiviwa inoisirwa inoderedza nguva yekudzikira kana zvinhu zvekusangana zvinopfeka mushure mekushandisa kwenguva refu. Mamwe ATE PCB ekuvaka anoisa zvigadziko pamakadhi evanasikana akasiyana anonamatira kubhodhi rekutakura, achibvumira kukurumidza socket shanduko pasina kutsiva iyo yese gungano. Iyi nzira inoderedza zvakanyanya mari yekushandisa munzvimbo dzakakwirira dzekugadzira.

Kudzora Bhodhi Warpage

Mahombe-mafomati ATE PCB anodarika mazana mana nemakumi mashanu nemazana matanhatu nemazana matanhatu anoda kutarisisa kune symmetrical kugovera mhangura uye kuvaka kwakaringana. Madhizaini ekugadzira anosanganisira kushandisa symmetrical stackups, kuyera mhangura density kune akaturikidzana, uye kutsanangura zvinhu zvine macheneseti coefficients ekuwedzera kupisa. Mabhodhi apedzwa anotariswa kudzikama kuti aone kuenderana newarpage yakatarwa kazhinji mukati me 0.25mm mhiri kwebhodhi diagonal.

Semiconductor Kuedza Zvikumbiro zveATE PCB

ATE PCBs inotsigira kuyedzwa kwakazara mukati meakasiyana akabatanidzwa edunhu mapoka. Zvishandiso zvine musoro zvinosanganisira microprocessors uye FPGAs zvinoda kusimbiswa kwedhijitari nguva paramita, maitiro ekushanda maitiro, uye maitiro ekushandisa simba. Analogi uye yakasanganiswa-signal ICs inoda chaiyo DC zviyero, AC maitiro ekuita, uye frequency mhinduro yekuongorora pane dzakatarwa dzekushanda.

Memory yekuyedza maapplication anosimbisa ATE PCB madhizaini ane hombe dhata nzira dzinoshanda nekumhanya kukuru. Yemazuva ano DRAM uye NAND flash yekuyedza inosanganisira panguva imwe chete yekusimbisa mazana emitsara yedata uchichengetedza kutendeseka kwechiratidzo pamatanho ese. Kuongororwa kweRF mudziyo kunopa mamwe matambudziko anoda kunyatsotariswa kune impedance inofananidzwa uye electromagnetic shielding kudzivirira kuyerwa huwori.

Mota yemotokari semiconductor kuyedzwa kunoisa kuomesesa kuvimbika zvinodiwa zvinoratidza hutsinye hwekushanda nharaunda. ATE PCBs dzekushandisa mota dzinofanirwa kutsigira tembiricha yakawedzera kubva -40°C kusvika 150°C uye mapuroteni ekuedza kushushikana anosimbisa mashandiro echishandiso pane tembiricha yakanyanyisa. Simba semiconductor kuyedzwa kunoda kwakasimba ikozvino kuburitsa masimba uye chaiyo voltage kuyerwa maseketi anokwanisa kubata akakwira masimba masimba.

ATE PCB Versus Mamwe Mabhodhi Ebvunzo Mhando

Kuenzanisa neBurn-in Boards

Iyo ATE PCB inosiyana zvakanyanya kubva pakutsva-mumabhodhi kunyangwe kumwe kushanda kupindirana. Nepo ese ari maviri achifambisa kuyedzwa kwechishandiso, kupisa-mukati mabhodhi kunotungamira kushushikana kwekupisa uye kuvimbika kuongorora pamusoro peakadzama maitiro emagetsi. ATE PCBs inosimbisa kuyerwa kwakaringana uye yakazara parametric yekuyedza pane yakawedzera kushushikana mamiriro.

Kusiyanisa kubva kuProbe Cards

Kuenzaniswa nemakadhi ekuferefeta anoshandiswa mukuyedzwa kwewafer, akaputirwa mudziyo ATE PCBs interface ine yakajairwa socket mafomati pane kubata zvakananga silicon kufa. Musiyano uyu unobata dhizaini yekugadzira, probe tekinoroji, uye kurongeka zvinodiwa. Makadhi eprobe anoda kurongeka kwakasarudzika kuti abate microscopic bond pads, nepo ATE PCBs interface ine hombe pasuru inotungamira kana mabhora ekutengesa.

Zvakanakira Kupfuura Standard PCBs

MaPCB akajairwa ekutengesa anoshanda nemagetsi akaregedzeka zvichienzaniswa nezvinodiwa neATE PCB. Kuedza maapplication anoda kudzorwa impedance kushivirira mukati me ± 5 muzana, kuteedzera hupamhi mutsauko pasi pe ± 0.013mm, uye kunyatso kunyoresa kunodarika akajairwa PCB kugona. Kusarudzwa kwezvinhu, maitiro ekugadzira, uye maitiro ekuongorora maitiro anoratidza izvi zvakakwidziridzwa zvinodiwa mukati mekugadzira ATE PCB.

mhedziso

Iyo ATE PCB inomiririra chikamu chakakosha mukugadzira semiconductor, inopesvedzera zvakananga kurongeka kwebvunzo, kugona kwekugadzira, uye mhando yechigadzirwa. Kubudirira kunoda kunyatsotariswa kune chiratidzo chekuvimbika engineering, kusarudzwa kwezvinhu zvepamberi, uye nemazvo ekugadzira maitiro mukati mekugadzira nekugadzira zvikamu. Sezvo masekete akabatanidzwa achiramba achifambira mberi mukuoma uye kushanda frequency, tekinoroji yeATE PCB inofanirwa kushanduka zvinoenderana kutsigira chizvarwa chinotevera chekuyedza zvinodiwa.

Highleap Electronics inonyanya kugadzira uye kugadzira maPCB epamusoro-soro ekushandisa mukuyedza ma semiconductor. Unyanzvi hwedu hunosanganisira:

• Precision ATE PCB kugadzira -Mabhodhi ekurodha, mabhodhi ekutsva, uye magungano ekubatanidza akavakirwa kune inodiwa bvunzo maratidziro ane inodzorwa impedance uye kushivirira kwakasimba.
• Unyanzvi hwepamusoro hwezvinhu - Ruzivo ne laminate ine low-loss, Megtron, nedzimwe laminate dzine low-loss dzakagadzirwa kuti dzikwanise kutapurirana masaini ane frequency yakakwira.
• Kuongororwa kwemagetsi kwakadzama -TDR impedance verification, kuenderera mberi kusimbiswa, uye kuongororwa kwekuzvimiririra kuve nechokwadi chekuti bhodhi rega rega rinosangana nekuomarara kwekuita zvinodiwa.
• Injiniya rutsigiro -Dhizaini yekubvunza masevhisi anobatsira kukwirisa stackups, kusarudzwa kwezvinhu, uye kutonga kwemafuta kune chaiwo ekuedza maapplication.

Bata timu yedu yeinjiniya kuti mukurukure zvinodiwa neATE PCB yenyu uye muone kuti mhinduro dzemabhodhi edunhu rekugadzirisa zvinhu dzinogona sei kuvandudza kunyatsojeka kwekuyedza kwako kwesemiconductor uye kushanda zvakanaka kwekugadzira.