PCB Wire Bonding Technology: A Guide for PCB Manufacturing

KuHighleap Electronic, isu tinonyanya kugadzirwa nePCB kugadzira uye kuungana, tichitarisa kuendesa emhando yepamusoro, yakavimbika, uye inoshanda mhinduro kumaindasitiri akasiyana. Imwe yeakakosha matekinoroji mumagetsi emazuva ano ayo isu tinoisa mumaitiro edu ndeye waya yekubatanidza. Iyi tekinoroji inoita basa rakakosha mukubatanidza maseketi akasanganiswa (ICs) kuzvikamu zvawo, kuve nechokwadi chekusimba uye kuita muhuwandu hwakawanda hwekushandisa.

PCB Wire Bonding

Kubatanidza waya dzePCB inzira yakakosha mukubatanidza machipisi emukati memagetsi nezvikamu zvekunze kana mamwe machipisi. Kazhinji zvinosanganisira kushandisa waya dzakapfava kuti dzibatanidze machipisi nebhodhi redunhu rakadhindwa, zvichigadzira kubatana kwemagetsi kwakakosha. Nzira iyi inoshandiswa zvakanyanya mumaindasitiri e semiconductor nePCB nekuda kwekushanda kwayo zvakanaka uye kuvimbika.

Kune akasiyana matekiniki anoshandiswa kuPCB waya yekubatanidza, imwe neimwe ichipa yakasarudzika mabhenefiti zvichienderana nezvinodiwa zvekushandisa. Iwo marudzi maviri ekutanga ndeye thermosonic bonding uye thermocompression bonding. Nzira mbiri idzi dzinoshandisa kupisa, kudzvanywa, uye simba re ultrasonic kugadzira hukama hwakasimba uye hunofambisa, zvichiita kuti dzisanyanya kukosha mukugadzira-kuita PCB.

Ko PCB Wire Bonding Yakapera Nguva?

Nepo PCB waya yekubatanidza yanga iri yekutanga tekinoroji mukugadzira zvemagetsi kwemakumi emakore, hunhu hwayo hunoonekwa "hwechinyakare" hunoenderana nemamiriro ekushandiswa kwayo. Iyo tekinoroji ichine kukosha nekuda kwekuvimbika kwayo, kuchinjika, uye kuderera kwekutanga kwemidziyo mutengo. Iyo inonyanya kukodzera yepakati-tier application uye nharaunda dzinoda hukama hwakasimba, senge mota dzemagetsi, magetsi emagetsi, uye maindasitiri emidziyo. Muzviitiko izvi, kusungirirwa kwewaya kunoramba kuri mutengo-unoshanda uye wakaratidza mhinduro.

Nekudaro, zvinonetsa zvakaita sekuwedzera mitengo yezvinhu (semuenzaniso, waya dzegoridhe), kunonoka kwekugadzira kukurumidza, uye zvipingamupinyi zvekushanda mu-high-frequency uye high-density application zvakakonzera kutsiva kwayo zvishoma nezvishoma muminda yekucheka. Tekinoroji dzemazuva ano dzakaita seflip-chip bonding, wafer-level kurongedza, uye 3D interconnects akashongedzerwa zvirinani kubata zvinodikanwa zveminiaturization, yakakwirira data data rates, uye hukuru-hukuru kugadzirwa. Idzi nzira nyowani dzinopa kuita kwakagadziridzwa, madiki mafomu zvinhu, uye yakaderedzwa parasitics, ichiita kuti ive yakanakira yemhando yepamusoro yemagetsi evatengi, nharembozha, uye yakakwirira-frequency zvishandiso.

Zvisinei nemaitiro aya, kusungirirwa kwewaya kunoenderera mberi nekufambira mberi senge copper wire bonding, yakagadziridzwa otomatiki, uye yakanaka-pitch bonding maitiro. Aya magadzirirwo ane chinangwa chekugadzirisa zvinodhura uye kushanda nesimba uku uchiwedzera kukosha kwewaya bonding mune chaiyo niche misika. Kunyangwe ingave isisiri iyo yekutanga sarudzo yekumusoro-yekupedzisira maapplication, kuchinjika kwayo kunoita kuti irambe iri sarudzo inoshanda mune akawanda mamiriro.

Zvishandiso zvePCB Wire Bonding

PCB wire bonding inzira inosiyana-siyana uye inoshandiswa zvakanyanya mukugadzira zvemagetsi, inotsigira huwandu hwakawanda hwemaindasitiri nekushandisa. Kuvimbika kwayo uye kuchinjika kunoita kuti ive yekuenda-kune mhinduro kune dzakawanda dzakakosha dzekushandisa kesi. Pazasi pane mamwe maapplication anozivikanwa:

1. Consumer Electronics

Wire bonding inzira yakakosha mumidziyo yemazuva ano yevatengi yakadai sema smartphones, mahwendefa, uye zvinopfekwa. Inoshandiswa kubatanidza semiconductors, sensors, uye zvikamu zvebhatiri, zvichiita kuti kushanda kwakanaka uye compact dhizaini. Semuyenzaniso, munharembozha, kusungirirwa kwewaya kunogonesa kubatana kwakavimbika, kutsiva nzira dzechinyakare senge spot welding, idzo dzaiwanzoita nyaya senge mapfupi uye kuderedzwa kwehupenyu hwebhatiri.

2. Mota dzemagetsi (EVs)

Iyo inokura EV indasitiri inovimba newaya bonding yebhatiri pack musangano, kunyanya mukubatanidza cylindrical maseru. Iyi tekinoroji inopa yakaderera kuramba uye yakasimba yekubatanidza, iyo yakakosha pakugovera simba kwakasimba uye kuita kwese kweEVs. Wire bonding kugona kubata yakakwirira mafungu uye tembiricha inoita kuti ive nzira inosarudzika yeEV magetsi emagetsi, inosimudzira kuvimbika uye kuchengetedzeka.

3. Semiconductor Devices

Wire bonding inoita basa rakakosha mumakombuta, mamicrocontrollers, uye akasanganiswa maseketi (ICs). Midziyo iyi inoda chaiyo uye yakasimba yekubatanidza kuti iite zvakakwana, uye waya yekubatanidza inoburitsa zvese. Sarudzo yemidziyo yekubatanidza-yakadai segoridhe yekukwirisa conductivity, aruminiyamu yekudhura mari, kana mhangura yekuvandudzwa kwemafuta ekupisa-inogona kukanganisa zvakanyanya kurebesa uye kushanda kwezvikamu izvi.

4. Aerospace uye Defense

Mune aerospace uye zvidziviriro zvikumbiro, uko kuvimbika uye kuita kwakakosha, tambo yekubatanidza inoshandiswa pakubatanidza zvikamu mu-high-frequency communication systems, radar equipment, uye satellite electronics. Kusimba kwayo kwakaratidza uye kugona kumirisana nemamiriro akanyanya ezvakatipoteredza kunoita kuti ive yakakosha kuita mumaindasitiri aya.

5. Medical Zvishandiso

Wire bonding inotsigira miniaturization yemidziyo yekurapa inosimwa uye michina yekuongorora. Iyo inova nechokwadi chekubatana kwakavimbika mune pacemaker, zvinoyamura kunzwa, uye ekufungidzira masisitimu, uko compact dhizaini uye kuita kwakasimba kwakakosha. Iko kurongeka uye kuvimbika kwekusungirirwa kwewaya kunobatsira kuchengetedzeka uye kushanda kwemidziyo inoponesa hupenyu.

Wire bonding inoramba iri nzira yakakosha mukugadzira zvemagetsi, ine maapplication anotora emagetsi evatengi, masisitimu emotokari, aerospace, uye hutano hwehutano. Sezvo indasitiri inoshanduka, hutsva mune zvekushandisa uye maitiro anovimbisa kuti waya yekubatanidza inoramba ichizadzisa zvinodiwa tekinoroji iri kusimukira uku ichichengetedza chimiro chayo senzira yakavimbika uye inosiyana-siyana yekubatanidza.

Pakuronga kugadzirwa, zvinobatsirawo kuenzanisa nyaya iyi nekugona kugadzira PCB uye PCB conformal coating usati wapedzisa kugadzira kana kugadzira pasuru.

Kusiyana pakati peWaya Bonding uye Flip-Chip Bonding muPCB Manufacturing.

Traditional Wire Bonding: A Reliable Standard

Wire bonding inzira inoshandiswa zvakanyanya yechinyakare yekubatanidza mukugadzira PCB. Zvinosanganisira kubatanidza machipisi ega kune substrate nekushandisa waya dzakanaka, kazhinji goridhe kana aluminium. Iyi nzira inosanganisira matanho maviri: kufa bonding, iyo inosungirira chip kune substrate, uye waya bonding, iyo inoshandisa ultrasonic vibrations uye kupisa kusungira waya. Wire bonding inodhura-inoshanda, inovimbika, uye yakanyatsokodzera zvakasiyana-siyana zvemaitiro ekushandisa, zvichiita kuti ive sarudzo inogara kune vakawanda vanogadzira.

Yepamberi Flip-Chip Bonding: A Modern Solution

Flip-chip bonding inyanzvi yepamberi yakagadzirirwa kushanda kwepamusoro uye kuchengetedza nzvimbo. Panzvimbo yekushandisa waya, nzira iyi inosunga chip zvakananga kune substrate kuburikidza ne bump bonding, uchishandisa solder mabhora kumisikidza magetsi uye ma mechanical connections. Izvi zvinobvisa waya refu, kuderedza kupindira kwechiratidzo nekuvandudza kupisa kupisa. Flip-chip tekinoroji inonyanya kubatsira kune compact madivayiri uye yakakwirira-frequency zvikamu, senge maGPU, microprocessors, uye epamberi michina yekurapa.

Kusarudza Iyo Yakarurama Bonding Method

KuHighleap Electronic, isu tinokwidziridza ese echinyakare waya bonding uye advanced flip-chip bonding kugadzirisa zvakasiyana indasitiri zvinodiwa. Wire bonding inoramba iri iyo yekuenda-kusarudzo yezvishandiso uko mutengo uye nyore zviri pamberi, nepo flip-chip bonding yakanakira yekucheka-kumucheto matekinoroji inoda kushanda kwepamusoro uye miniaturization. Iyi nzira inoshanduka inoita kuti isu tipe mhinduro dzakarongedzerwa dzinoenderana nezvinodiwa nevatengi vedu tichichengeta kuzvipira kwedu kune chaiyo uye mhando.

Wire Bonding Materials

Izvo zvinoshandiswa pakubatanidza waya zvakakosha pakuona kusimba, conductivity, uye kusimba kwekubatanidza. Zvinhu zvinonyanya kushandiswa zvinosanganisira:

• Ndarama : Ndarama inofarirwa nevakawanda nekuda kwekugona kwayo kupinza magetsi zvakanyanya, kuramba kwayo ngura zvakanaka, uye kugona kwayo kugadzira ma bond akavimbika mumamiriro ekunze. Yakanakira kushandiswa kwewaya dzakawanda, kunyanya munzvimbo dzinoda kushanda zvakanaka.

• Aluminium : Aluminium imwe sarudzo yakakurumbira yekubatanidza waya. Inodhura zvishoma uye inopa kubatana kwakavimbika, kunyanya munzvimbo dzinopisa zvakanyanya. Mabond eAluminium anowanzo gadzirwa achishandisa simba uye simba re ultrasonic, zvichiita kuti ikwanise kushandiswa mumhando dzakasiyana dzemagetsi.

• Mhangura : Kubatanidza waya dzemhangura kuri kuwana mukurumbira nekuda kwekukwanisika kwayo uye kusachinjika kwayo. Zvisinei, mhangura inonetsa kushanda nayo kana ichienzaniswa negoridhe kana aruminiyamu, sezvo inowanzo svibirira uye inoda nzvimbo isina simba kuti ibatane zvakanaka.

Kuongorora Wire Bonding Techniques uye Kukunda Matambudziko

Common Wire Bonding Techniques

Wire bonding inzira inosiyana-siyana inopa nzira dzakawanda kuti dzikwane akasiyana maapplication. Pazasi pane anonyanya kushandiswa matekiniki:

• Kubatanidza Thermocompression : Nzira iyi inoshandisa kupisa nekumanikidza kugadzira ma bond pasina kushandisa layer yepakati. Inowanzoshandiswa pakubatanidza ma wafer-level mumidziyo inoshanda zvakanyanya uko kubatana kwakasimba uye kwakavimbika kwakakosha.

• Kubatanidza Thermosonic : Kusanganisa simba re ultrasonic nekupisa nekumanikidzwa, nzira iyi inoshandiswa zvakanyanya pakubatanidza waya yegoridhe. Inopa kurongeka uye kugara kwenguva refu kunodiwa pakushandisa zvinoda kuvimbika kwakanyanya, senge semiconductors uye microcontrollers.

• Kubatanidza kweUltrasonic : Kushandisa mafungu eruzha ane ruzha rwakawanda kubatanidza simbi dzakadai semhangura, aruminiyamu, uye nickel, kubatana kweultrasonic kwakanakira kushandiswa kwemotokari, kurapa, uye ndege. Inopa mhinduro yekubatanidza ine tembiricha yakaderera yakakodzera zvikamu zvinonzwa.

• Kubatanidza Mabhora : Munzira iyi, bhora rinoumbwa pamucheto wewaya uye rinosungirirwa kuchikamu chacho. Rinonyanya kubatsira pamashandisirwo anoda kubatana kudiki uye kwakanyatsojeka, senge zvishandiso zvemagetsi zvemhando yepamusoro.

Matambudziko muWaya Bonding

Kunyangwe zvakanakira, waya yekubatanidza inopa akati wandei matambudziko ayo vagadziri vanofanirwa kugadzirisa kuti vaone mhedzisiro yemhando yepamusoro:

• Kusarudzwa Kwezvinhu : Kusarudzwa kwewaya, senge goridhe, aruminiyamu, kana mhangura, kunokanganisa maitiro ekubatanidza. Chinhu chimwe nechimwe chinounza matambudziko akasiyana, senge oxidation mumhangura kana kunzwa kwekupisa muaruminiyamu, izvo zvinofanirwa kutarisirwa nekungwarira.

• Kuenderana muHunhu hweBond : Kusiyana kwezviyero zvebond, kusanganisira simba, tembiricha, uye simba re ultrasonic, kunogona kukonzera zvikanganiso. Kuwana hunhu hwebond hwakafanana kwakakosha kuti kuve nechokwadi chekuti zvinobatanidzwa zvinogara kwenguva refu uye zvakavimbika.

• Zvinhu Zvakatipoteredza : Mamiriro ekunze, akadai sekuchinja-chinja kwekushisa, hunyoro, uye kushushikana kwemakemikari, zvinogona kukanganisa kusimba kwezvisungo. Vagadziri vanofanirwa kushandisa matekiniki akasimba uye matanho ekudzora mhando kuti vaderedze njodzi idzi.

Nekunzwisisa kusimba uye kugumira kweakasiyana nzira dzekubatanidza waya uye kugadzirisa matambudziko anoenderana, vagadziri vakaita seHighleap Electronic vanogona kuendesa chaiyo, yakasimba, uye yakavimbika zvisungo zvisungo zvinosangana nezvinodiwa zvakasiyana zvemaindasitiri emazuva ano.

mhedziso

Wire bonding ndiyo yakakosha tekinoroji inoshandiswa mumagetsi emazuva ano, uye kuHighleap Electronic, isu tinobatanidza nzira iyi muPCB yedu yekugadzira uye magungano maitiro kuendesa mhinduro dzakavimbika uye dzinoshanda. Ingave yenharembozha, mota dzemagetsi, kana mamicrocomputer, waya yekubatanidza inovimbisa kusimba uye kushanda kwezvakanyanya kukosha mumidziyo yemagetsi. Sezvo kudiwa kwezvidiki, zvemagetsi zvine simba zvakanyanya zvichiramba zvichikura, waya yekubatanidza icharamba iri tekinoroji yakakosha yekubatanidza maseketi akaomarara anogonesa zvishandiso zvemangwana.

Nekutora nzira dzepamusoro dzekubatanidza waya, tinoenderera mberi nekuzadzisa zvinodiwa neindasitiri yemagetsi uku tichichengeta zviyero zvepamusoro zvinotarisirwa nevatengi vedu.