Semiconductor Load Board PCB: Professional Guide kune Kuedza uye Kugadzira

ziviso

Semiconductor Load Board PCB yekuongorora inoita basa rakakosha mukuongorora mashandiro uye kuvimbika kwemidziyo yesemiconductor isati yagadzirwa. Sekubatana pakati pemachipisi uye otomatiki bvunzo michina (ATE), mabhodhi ekuremedza anogonesa kutariswa kwemagetsi paramita, maitiro anoshanda, uye kugadzikana kwenguva refu.

Ichi chikamu chekuyedza chinotarisa goho rekugadzira, chinotaridza mayunitsi asina kukwana, uye chinosimbisa dhizaini yakatarwa mumamiriro akasiyana ekushanda. Pasina kurongeka kwakaringana bhodhi kuita, vagadziri havagone kuvimbisa mhando yemudziyo kana kusangana neyakaomesesa indasitiri zviyero.

Chii chinonzi Semiconductor Load Board PCB?

Tsanangudzo uye Core Function

Semiconductor load board PCB inyanzvi yakadhindwa yedunhu bhodhi rinobatanidza mudziyo uri muyedzo (DUT) kune otomatiki bvunzo michina. Iri bhodhi rekubatanidza rinotumira masaini ekuyedza, simba, uye kubatanidza kwepasi pakati pemuyedzo uye semiconductor mudziyo kuburikidza nemanyorero socket magungano.

Zvimiro Zvikamu

Chimiro chebhodhi rekutakura zvinhu chinosanganisira masaini akawanda ekutumira data nekukurumidza, mapurani emagetsi akagadzirirwa kugoverwa kwemagetsi kwakasimba, uye mapasi ekuderedza ruzha. Nzvimbo yekuyedza inobatanidza neATE contactors, nepo nzvimbo yesocket ichigamuchira mhando dzakasiyana dzemapakeji kubva kuQFN kusvika kuBGA configurations.

Kuenzanisa nemamwe mabhodhi ekuedzwa

Kusiyana nekutsva-mumabhodhi anotarisa pakupisa bhasikoro pane tembiricha dzakakwirira, semiconductor load board PCBs inosimbisa kuvimbika kwechiratidzo panguva yekuyedzwa kwekushanda. Probe makadhi anobata zvakanangana newafer-level zvishandiso, nepo mabhodhi ekutakura anoedza mayuniti akaputirwa, achiita kuti ave akakosha pakugadzira-level kusimbiswa.

Sei Semiconductor Load Board PCB Yekuongorora Inoshanda

Kwayedza Nheyo

Iyo ATE inogadzira ma test vectors uye inotumira zvikwangwani kuburikidza nebhodhi rekutakura kuenda kuDUT. Masaini emhinduro anodzoka nenzira imwechete yekuenzanisa nehunhu hunotarisirwa. Signal kutendeseka uye impedance kuenzanisa kwakakosha panguva yekumhanyisa-kumhanyisa kutapurirana kudzivirira kutarisisa uye kuchengetedza kuyerwa kwechiyero.

Test Types Akaitwa

Iyo semiconductor mutoro bhodhi PCB inogonesa nzira dzakawanda dzekusimbisa:

• Kuedza kwekushanda - Kunoongorora mashandiro epfungwa uye magadzirirwo edhizaini zvichienderana nemaitiro anotarisirwa.

• Kuyedza kweParametric - Kuyera hunhu hwemagetsi hunosanganisira miganho yemagetsi, kushandiswa kwazvino, uye maparamita enguva.

• Kuedza kupisa mukati - Kuisa michina kuti ishande kwenguva yakareba mumamiriro ekumanikidzwa kuti ione kutadza kushanda zvakanaka kwekutanga.

• Kuongororwa kweRF - Inoongorora mhinduro yefrequency uye mhando yechiratidzo kune mashandisirwo e semiconductor asina waya.

Signal Path Architecture

Kutevedzana kwebvunzo kunotevera nzira yakatsanangurwa iyo ATE yekubuda matanho inobatana kurodha bhodhi traces, masaini masaini kuburikidza nechaiyo chinongedzo kune socket contacts. Iyo DUT inogashira bvunzo inosimudzira uye inogadzira mhinduro dzinofamba dzichidzokera kuburikidza neiyo imwecheteyo masisitimu ekutora nanosecond-level data kutora uye kuongorora.

Yakakosha Dhizaini Mafungiro eSemiconductor Load Board PCBs

High-Frequency Signal Kutendeseka

Inodzorwa impedance routing inochengetedza chiratidzo chemhando pamitsara yekutapurirana, kazhinji yakagadzirirwa ku50Ω kana 100Ω musiyano wepairi. Hurefu hwekutevera hupfupi hunodzikisira kunonoka kwekuparadzira nepo kudzivirirwa kwezvikamu kunodzivirira kuyambuka pakati pematanho ari padyo, kunyanya kukosha kune bhodhi rekutakura PCB dhizaini inoshanda pamusoro pe1 GHz.

Thermal Management Zvinodiwa

Kuyedzwa kwesimba remagetsi kunogadzira kupisa kwakawanda kunoda nzira dzinoshanda dzekuparadza . Ma "thermal vias" anotamisa kupisa kubva kunzvimbo dzezvikamu kuenda kune ekunze copper layers ukuwo zvinhu zvinopisa zvakanyanya zvichiparadzira tembiricha zvakaenzana, zvichidzivirira nzvimbo dzinopisa dzinokanganisa kurongeka kwekuyera.

Power Distribution Network Dhizaini

Ndege dzemagetsi dzakadzika-impedance dzinoderedza kudonha kwemagetsi panguva dzepamusoro-zvino. Decoupling capacitors akamisikidzwa padyo nenzvimbo dzeDUT anopa emuno macheji reservoirs nepo akawanda masimba emagetsi achida kuparadzaniswa kudzivirira kukanganisa pakati peanalog nedhijitari maseketi panguva yekuyedzwa semiconductor load board PCB.

Advanced Material Selection

Mapurogiramu eRFIC nepower IC anoda ma substrates akasarudzika akadai se specialty low-loss laminate kana Isola FR408HR. Zvinhu izvi zvinopa ma stable dielectric constants pa tembiricha dzakasiyana uye low loss tangents kune ma high-frequency signals. Ma multi-layer constructions ane blind and built vias anogonesa dense routing uku achichengetedza impedance control.

Kugadzira Zvinetso zveSemiconductor Load Board PCBs

Precision Fabrication Zvinodiwa

Kugadzira bhodhi PCB kugadzira kunoda kushivirira kwakaomarara nekutevera upamhi uye nzvimbo inowanzosvika 3 miriyoni kana yakanaka. Laser drilling inogonesa microvias idiki pane 6 mils dhayamita yeakakwira-density yekubatanidza nepo layer-to-layer kunyoreswa kunofanirwa kugara mukati me2 mils kuve nechokwadi chakakodzera kuburikidza nekuenderana.

Surface Finish Specifications

ENIG kana ENEPIG plating inomira zviuru zvematenderedzwa ekuisa kubva kumasokisi ebvunzo pasina kushatisa. Aya mapeji anopa nzvimbo dzakati sandara kuti dzibatane uye dzinoramba oxidation panguva yekuchengetera, ine goridhe ukobvu yakatarwa inoyera mutengo uchipesana nekusimba zvinodiwa munzvimbo dzekugadzira.

Electrical Testing Protocols

Kudzora kwemhando ye semiconductor mutoro bhodhi PCBs inosanganisira yakazara kusimbiswa:

• Kuyedzwa kwekuongorora kwendege - Kunoongorora kubatana kweprototypes dzisina michina yakatarwa kuti ishande nekukurumidza.

• Kuongororwa mukati medunhu - Kunoongorora kuiswa kwechikamu uye kurongeka kwacho kuti ive nechokwadi chekuti gungano racho rakarurama.

• Kuyerwa kweImpedance - Inosimbisa hunhu hwemutsetse wekutumira hunoenderana nezvinodiwa zvekugadzira mukati me ± 10% kutsungirira.

• Kusimbiswa kwekuenderera mberi - Inosimbisa nzira dzese dzemasaini uye kubatana kwemagetsi usati waisa soketi.

Zvikumbiro zveSemiconductor Load Board PCB Yekuongorora

IC uye ASIC Kugadziriswa Kugadziriswa

Kugadzirwa kwepamusoro-vhoriyamu kunotsamira pamabhodhi ekuremedza kuti aone zvishandiso zvinomhanya zvinodarika zviuru gumi paawa. Multi-saiti zvigadziriso zvinoedza akawanda machipisi panguva imwe chete, kuwedzera kuburitsa uku uchichengetedza kuyerwa kwechiyero chedhijitari, analog, uye yakasanganiswa-chiratidzo dhizaini.

RF Module uye 5G Chip Testing

Millimeter-wave frequency inoda nyanzvi semiconductor mutoro bhodhi PCB magadzirirwo ane chaiyo-inodzorwa impedances. Calibration zvimiro zvinotsiva parasitic mhedzisiro, zvichigonesa kuyerwa kwakaringana kwekuwana, ruzha nhamba, uye mutsara kubva ku-sub-6 GHz kusvika 40 GHz mabhendi.

Automotive Semiconductor Kuvimbika

Kuwedzera tembiricha kuyedzwa kubva -40°C kusvika 150°C kunosimbisa kushanda kwese kwese kwesero rekushanda. Mabhodhi emutoro anosanganisira makamuri anopisa uye zvigadziko zvine hunyanzvi zvinochengetedza kudzvanywa pasi pekuwedzera kwekupisa, kuve nechokwadi chekutevedzera AEC-Q100 mota zviyero.

Simba Chishandiso uye Analog IC Hunhu

Yepamusoro-yazvino yekuyedza matanho pa-kupokana, kuchinja kurasikirwa, uye hunhu hwekupisa. Kelvin yekubatanidza inobvisa madonhwe emagetsi munzira dzazvino nepo semiconductor mutoro bhodhi PCB dhizaini ichibatanidza inorema mhangura maseru uye yakafara nzira yekubata mafungu anodarika zana amperes zvakachengeteka.

Kusarudza Mugadziri Akakodzera weSemiconductor Load Board PCBs

Critical Evaluation Criteria

Kugadzira kushivirira kugona kunokanganisa zvakananga bvunzo. Tarisa kuti mutengesi anochengetedza maitiro ekudzora kwe impedance mukati me ± 10% uye ukobvu mukati me ± 0.5 mil. Material kugarisana mhiri -55 ° C kusvika 125 ° C tembiricha siyana inodzivirira warpage panguva yekuyedza macycles anogona kukanganisa socket contact.

ATE Integration Chiitiko

Socket yekuisa hunyanzvi inovimbisa kurongeka kwakaringana uye kubata simba kugovera. Kuzivana nemapuratifomu akasiyana siyana eATE kubva kuTeradyne, Advantest, uye Cohu inogonesa kubatanidzwa kusina musono nepo yakakwirira-frequency performance performance kuburikidza neS-parameter kuyerwa kunosimbisa dhizaini dhizaini isati yatumirwa kugadzirwa.

mhedziso

Semiconductor mutoro bhodhi PCB yekuongorora inoramba yakakosha pakusimbisa mudziyo uye kugadzirwa kwemhando yekudzora. Dhizaini chaiyo inoyera kutendeseka kuburikidza inodzorwa impedance routing, kudziya kwekutonga kuburikidza nehurongwa hwekuisa mhangura, uye kuvimbika kuburikidza nekusarudzwa kwezvinhu kwakakodzera. Sezvo semiconductor kuomarara kunowedzera nemanodhi epamberi uye mafambisirwo epamusoro, bhodhi rekutakura hunyanzvi hunofanirwa kushanduka zvinoenderana.

Highleap Electronics inopa yakakwana semiconductor bvunzo mhinduro:

• Kugadzirwa kwePCB kwakanyatsogadzirwa - Kukwanisa kushivirira kusvika pamadonhwe e3 mil ne impedance matching mukati me±10% kuti chiratidzo chive chakasimba.

• Unyanzvi hwepamusoro hwezvinhu - laminate ine low-loss, Isola, uye high-frequency laminate dzeRF uye mashandisirwo emagetsi.

• Kugona kwezvikamu zvakawanda - Kusvika makumi matatu ezvikamu zvine ma-vias asina kujeka uye akavigwa ezvinodiwa zvakaoma zveATE interface.

• Portfolio yakazara yebhodhi rekuyedza - Mabhodhi ekutakura zvinhu, mabhodhi ekupisa, uye makadhi ekuongorora anotsigira zvinodiwa zvakasiyana-siyana zvekusimbisa semiconductor.

Kuti muwane mazano ehunyanzvi pamusoro pezvinodiwa zvePCB pabhodhi renyu rekutakura zvinhu re semiconductor kana kuti mukurukure mhinduro dzebvunzo dzakagadzirirwa masisitimu enyu eATE, batai Highleap Electronics kuti mushandise hunyanzvi hwedu hwekugadzira mabhodhi ekuongorora nemazvo.