The Wedge Bond: Njira Yoyendetsera Waya Yolondola ya Advanced ICs

Ku Dongxin Electronic Technology, zokambilana zanga ndi mainjiniya aluso ngati Marcus waku Germany nthawi zambiri zimafika panjira zofunika kwambiri. semiconductor kupanga. Sitimangogulitsa zigawo; timapereka mayankho ku zovuta zopanga zazing'ono. Chimodzi mwazovuta kwambiri mwa izi ndikupanga masauzande a microscopic kugwirizana magetsi mkati mwa ma circuits ophatikizika (ICS) ndi ma modules amphamvu. Ngakhale pali njira zingapo, ndi mphero mgwirizano chimadziwika chifukwa cha luso lake lapadera. Nkhaniyi ndi ya akatswiri opanga njira omwe akuyenera kumvetsetsa osati zomwe a mphero mgwirizano ndi, koma chifukwa chake ndi wapamwamba luso pazachindunji, zofunikila. Tidzafufuza intricacies wa waya kugwirizana ndondomeko, yerekezerani ndi njira yake yodziwika bwino, ndikufotokozerani momwe mungachitire izi mgwirizano ndiye chinsinsi cha kukwaniritsa chomaliza kudalirika masiku ano zamagetsi.

Kodi Njira Yopangira Mawaya Ndi Chiyani Kwenikweni?

Waya kugwirizana ndi njira yomwe imagwiritsidwa ntchito kwambiri popanga kulumikizana pakati pa a semiconductor kufa (a chip) ndi zake phukusi amatsogolera kapena pakati pa ma chips angapo mkati mwa umodzi phukusi. Cholinga ndi kupanga cholimba, chodalirika zamagetsi njira kwa zizindikiro zamagetsi ndi mphamvu. Ganizirani ngati mawaya ang'onoang'ono. A bwino kwambiri chingwe cholumikizira, amapangidwa kawirikawiri ndi aluminiyamu (Alkapena golide (Au), amamangiriridwa pa mfundo ziwiri: yoyamba ku imfa bond pansi ndi chachiwiri kwa gawo lapansi kapena khungu lakuda.

Chomata ichi sichinapangidwe ndi solder. M'malo mwake, ndi njira yowotcherera yokhazikika yomwe imagwiritsa ntchito mphamvu zambiri, ultrasonic mphamvu, ndipo nthawi zina kutentha kupanga metallurgical weld. Zotsatira zake zimakhala zokhazikika mgwirizano yomwe ili yamphamvu pamakina komanso yamagetsi. Pali njira ziwiri zoyambirira zochitira izi mgwirizano: mpira kugwirizana ndi mphero kugwirizana. Aliyense luso amagwiritsa osiyana chida ndi ndondomeko kupanga choyambirira mgwirizano, zomwe zimatsogolera ku zabwino ndi kugwiritsa ntchito kwake. Kudziwa kupanga bwino mgwirizano ndizofunikira pa chipangizo kudalirika.

Kodi Wedge Bond Imasiyana Bwanji ndi Mpira Bond?

Ngakhale njira zonse zimapanga a waya mgwirizano, njira yawo ndi zotsatira zake zimakhala zosiyana kwambiri. Kusiyanitsa koonekeratu ndi mawonekedwe a choyamba mgwirizano. A mpira bonder amagwiritsa a capillary chida ndi kusungunula mapeto a waya ndi a lawi kapena spark yamagetsi kuti ipange kakang'ono mpira. Izi mpira kenako amapanikizidwa ku bond pansi kupanga woyamba mgwirizano. A mphero bonder, kumbali ina, amagwiritsa ntchito a chida chooneka ngati mphero kuti akanikizire waya molunjika motsutsana ndi pamwamba popanda kusungunuka, kupanga chophwanyika, chofanana ndi nsonga mgwirizano.

Kusiyana kwakukulu uku kumabweretsa masiyanidwe angapo ofunika kuti ndondomeko injiniya ayenera kuganizira posankha a kugwirizana njira.

Pomaliza, a mphero mgwirizano nthawi zambiri imakondedwa pamapulogalamu omwe amafunikira mbiri yotsika, magwiridwe antchito apamwamba, kapena komwe amagwiritsa ntchito kutentha ziyenera kupewedwa. The mpira mgwirizano nthawi zambiri imakhala yachangu komanso yosinthika molingana ndi muyezo ICS kuyika. Kusankha komwe mgwirizano kugwiritsa ntchito kumadalira kwathunthu zofunikira zenizeni zamagetsi moduli.

Kodi Njira Zopangira Ma Wedge Bond ndi Ziti?

The mphero mgwirizano ndi yeniyeni, masitepe awiri kuvina pakati pa bonder, ndi chida, ndi waya. Njirayi, ngakhale ili yovuta pamlingo wa atomiki, ikhoza kugawidwa momveka bwino.

1. Kupanga Bond Yoyamba: Ndi bonder's chida, makina opangidwa ndendende mphero, pa waya pa woyamba bond pansi (kawirikawiri pa semiconductor kufa). The mphero amakanikiza pansi pa waya ndi mphamvu yeniyeni. Nthawi yomweyo, a transducer imagwira ntchito pafupipafupi ultrasonic mphamvu. Kukolopa uku kugwedezeka amachotsa pamwamba oxide zigawo ndi zimayambitsa waya ku pulasitiki kupunduka ndi kupanga amphamvu zitsulo mgwirizano ndi pad. Izi poyamba mgwirizano ndiye maziko a mgwirizano wonse.
2. Kupanga Loop: Pambuyo poyambirira mgwirizano watha, ndi bonder amasuntha a mphero chida m'njira yokonzedweratu yopita ku yachiwiri mfundo yogwirizana (pa gawo lapansi kapena khungu lakuda). Kusuntha uku kumapanga waya mu specific lupu ndi kutalika kolamuliridwa ndi mawonekedwe, omwe ndi ofunikira kuti azigwira ntchito komanso kupewa mabwalo amfupi.
3. Chigwirizano Chachiwiri ndi Kung'ambika: Pamalo achiwiri, a mphero kachiwiri amatsika, kulenga a mgwirizano wachiwiri kugwiritsa ntchito mfundo zofanana za mphamvu ndi ultrasonic mphamvu. Nthawi yomweyo zitatha izi mgwirizano wachiwiri apanga, a chepetsa amakhala ndi waya pamalo pomwe a chida amapita mmwamba, kung'amba waya pa chidendene cha mgwirizano. Izi zimasiya bonder okonzeka kuyamba chotsatira waya mgwirizano kuzungulira. Izi zonse njira yolumikizira waya kwa mmodzi mgwirizano zimachitika mu milliseconds.

N'chifukwa Chiyani Mawaya a Bonding Ndi Ofunika Kwambiri Pamagwirizano Abwino?

The chingwe cholumikizira si kondakitala chabe; ndi gawo lofunikira laumisiri lomwe katundu wake amakhudza mwachindunji mtundu ndi kudalirika cha mgwirizano. The ambiri zakuthupi kwa mphero kugwirizana ndi aluminiyamu waya, nthawi zambiri amapangidwa ndi kachitsulo kakang'ono (1% Si) kuti apereke kuuma koyenera ndi mgwirizano makhalidwe. Al waya ndi abwino chifukwa ndipamene amphamvu kwambiri ndi odalirika akupanga weld ku kutentha kwa chipinda. Komanso samakonda kupanga brittle intermetallic mankhwala akamangika aluminiyamu mapepala pa chip, chachikulu kwa nthawi yaitali kudalirika nkhawa.

Mkuwa waya ikupezanso kutchuka kwa mphero kugwirizana chifukwa chachikulu chake zamagetsi ndi kutentha conductivity. Komabe, mkuwa ndizovuta kuposa aluminiyamu ndipo zimafuna zosiyana mgwirizano magawo ndipo nthawi zina kuwongolera, inert chilengedwe kupewa okosijeni pa nthawi ya mgwirizano ndondomeko. Kusankha pakati Al ndi Ku zimatengera momwe pulogalamuyo imagwirira ntchito motsutsana ndi zovuta zowonjezera mu kupanga ndondomeko. The waya ziyenera kukhala zogwirizana awiri ndi zinthu katundu kuonetsetsa kubwerezedwa mgwirizano.

Kodi Ntchito Yofunika Kwambiri ya Wedge Tool ndi Chiyani pa Njirayi?

The mphero wokha ndi mtima wa mphero mgwirizano ndondomeko. Ndiwo chida zomwe zimatumiza mphamvu ndi ultrasonic mphamvu kuchokera ku bonder ku ku waya. Ubwino wa yaying'ono iyi, yopangidwa mwaluso gawo ndikofunikira kuti mupeze zabwino mgwirizano. A bwino wopangidwa mphero kungayambitse mavuto ambiri, kuchokera ku zosagwirizana mgwirizano kupanga kuwononga wosakhwima bond pansi pa chip.

Ku Dongxin, timakhazikika pakupanga zida zofunika izi. A wapamwamba kwambiri mphero ayenera kukhala:

• Geometry yolondola: Mawonekedwe a mphero nsonga, kuphatikizapo miyeso yake, ngodya, ndi dzenje kwa waya, iyenera kukhala yangwiro kuti ikhale yoyenera kupunduka ndi waya ndi kupanga amphamvu mgwirizano.
• Zinthu Zapamwamba: Amapangidwa kuchokera ku tungsten carbide chifukwa cha kuuma kwake kwambiri komanso kukana kuvala, kuwonetsetsa kuti moyo wautali ukugwira ntchito komanso kusasinthasintha. mgwirizano ndondomeko.
• Malo Opanda Cholakwika Malizani: Ndi pamwamba cha mphero zomwe zimagwirizana ndi waya ziyenera kukhala zofewa kwambiri kuti musamamatire ndikuwonetsetsa kuti ndi oyera mgwirizano ndi kugwa.

Katswiri ngati Marcus amadziwa kuti mtengo wonse wa umwini wa a mphero si mtengo wake wogula, koma kudalirika ndi kupereka izo zimatheka. A wapamwamba kwambiri mphero ndi ndalama zazing'ono zomwe zimateteza wamkulu kwambiri. Ichi ndi chifukwa chake mwambo chida chomangira mphero nthawi zambiri amafunikira ntchito zapadera.

Kodi Kuwongolera kwa Kutentha Kumakhudza Bwanji Ubwino wa Ma Wire Bond?

Kutentha ndi wovuta parameter mu waya kugwirizana, ndi kuchuluka kwa kutentha kugwiritsidwa ntchito kumatanthawuza mtundu wa kugwirizana.

1. Akupanga Kugwirizana: Ichi ndi mwayi waukulu wa mphero mgwirizano. Izi luso zitha kuchitidwa pa kutentha kwa chipinda, kugwiritsa ntchito makina mphamvu ndi high-frequency kugwedezeka. Izi ndi zabwino pazida zomwe sizingamve kutentha komwe zimagwiritsa ntchito kutentha akhoza kuwononga chigawocho.
2. Kugwirizana kwa Thermocompression: Mkulu uyu luso amadalira kutentha (nthawi zambiri 150 ° C - 350 ° C) ndikukakamiza nokha kupanga a mgwirizano kudzera mu boma lolimba kufalikira. Sichigwiritsa ntchito ultrasonic mphamvu.
3. Kugwirizana kwa Thermosonic: Iyi ndi njira yomwe imagwiritsidwa ntchito kwambiri mpira kugwirizana. Zimaphatikiza zinthu zonse zitatu: kutentha, mphamvu, ndi ultrasonic mphamvu. The anawonjezera kutentha mphamvu imafewetsa zida, zomwe zimapangitsa kuti zikhale zofulumira komanso zolimba mgwirizano pamagulu otsika ndi mphamvu.

Za mphero kugwirizana, kukhala ndi luso mgwirizano popanda kutentha imapereka kusinthasintha kwakukulu. Komabe, zinthu zina monga mkuwa waya, kuwonjezera kuchuluka kwapakati kutentha akhoza kusintha mgwirizano khalidwe. Zoyenera kutentha kulamulira Choncho ndi mbali yofunika kwambiri ya optimizing ndi waya mgwirizano pa ntchito iliyonse yoperekedwa.

Ndi Mapulogalamu Ati Amene Ali Wedge Bond Njira Yokondedwa?

Pamene mpira kugwirizana ndi zosunthika workhorse, pali angapo mkulu-ntchito madera kumene wapadera makhalidwe a mphero mgwirizano chipange kukhala chosankha chapamwamba, kapena ngakhale chokhacho. Wedge kugwirizana kumakondedwa muzochitika izi:

• Zida za RF ndi Microwave:ku pafupipafupi, mawonekedwe ndi kutalika kwa waya imatha kuchita ngati inductor, zomwe zimakhudza magwiridwe antchito a dera. Zotsika, zosalala lupu ndi geometry yeniyeni ya a mphero mgwirizano ndizokhazikika komanso zodziwikiratu, zomwe zimapangitsa kuti zikhale zofunikira RF ICS.
• Zamagetsi Zamagetsi: Zipangizo monga ma IGBT ndi MOSFET zimakhala ndi mafunde apamwamba ndipo ziyenera kutayika kwambiri kutentha. A heavy-awiri aluminiyamu mphero mgwirizano imapereka mphamvu yabwino kwambiri yonyamulira komanso kudalirika ku kutentha kwambiri, kumene golide mpira mgwirizano akhoza kukhala brittle.
• Ntchito Zabwino Kwambiri: Pamene tchipisi timadzaza kwambiri, danga pakati mgwirizano mapepala amachepa. Mosiyana ndi kugwirizana kwa mpira, kumene kuzungulira mpira imalamula malo ocheperako (phula), yopapatiza, kusokera pamzere kwa a mphero mgwirizano amalola kuti patalikirane kwambiri.
• Zigawo Zokhudza Kutentha: Kwa masensa kapena zida zowoneka bwino zomwe sizingathe kulekerera kutentha zofunika kwa thermosonic mpira mgwirizano, luso lopanga akupanga apamwamba kwambiri mphero mgwirizano ku kutentha kwa chipinda ndi phindu lalikulu. The mphero mgwirizano ndizofala kwambiri mu Makina opangira ma IGBT.

Kodi Ma Parameter Ofunika Kwambiri Otani Kuti Mukhale ndi Bond Yangwiro?

Kupeza zobwerezabwereza, zokolola zambiri mphero mgwirizano zimafuna zenizeni kulamulira pamwamba pa kiyi kugwirizana magawo. Magawo anayiwa amapanga "recipe" yabwino mgwirizano:

1. Mphamvu: Kuchuluka kwa clamping mphamvu yogwiritsidwa ntchito ndi mphero ku ku waya. Mphamvu yochepa kwambiri imabweretsa kufooka mgwirizano; zambiri zimatha kuwononga bond pansi kapena kufa pansi.
2. Akupanga Mphamvu: The mphamvu ya akupanga scrubbing kanthu. Mphamvu imeneyi imafunika kuti idutse oxide zigawo ndi kupanga a weld, koma mphamvu yochulukirapo ingayambitse mgwirizano kukhala woonda kwambiri ndi kufooka.
3. Nthawi: Nthawi yomwe mphamvu ndi akupanga mphamvu zimagwiritsidwa ntchito. Izi zimafunika kutalika kokwanira kuti zitheke mgwirizano koma lalifupi mokwanira kuti muwonjezere kutulutsa.
4. Kutentha: Ngakhale nthawi zambiri amachitidwa pa kutentha kwa chipinda, kwa mapulogalamu ena, kukweza gawo lapansi kutentha amatha kuchepetsa magawo ena ofunikira ndikuwongolera mgwirizano.

Kupeza zenera labwino kwambiri la magawowa ndi ntchito yayikulu ya a waya kugwirizana injiniya. Zimafunika kuyesera komanso kumvetsetsa mozama za zida ndi zida, monga zathu Automatic Thick Aluminium Wire Wedge Bonder.

Kodi Wedge Bond Ingalephereke Ndipo Zomwe Zimayambitsa Ndi Chiyani?

Inde, monga aliyense kupanga ndondomeko, a mphero mgwirizano akhoza kulephera. Kumvetsetsa njira zolephereka ndikofunikira pakuwongolera zovuta komanso kukonza njira. Zolephera zofala ndi izi:

• Bond Lift: Ndi mgwirizano amachotsa kwathunthu ku bond pansi. Izi nthawi zambiri zimayamba chifukwa cha kuipitsidwa pa pamwamba kapena zolakwika mgwirizano magawo (mwachitsanzo, osakwanira akupanga mphamvu kapena mphamvu).
• Chidendene Crack: Mapangidwe a ming'alu mu waya pa "chidendene" cha mgwirizano,ku waya akutuluka ku mgwirizano. Izi ndizovuta kwambiri ndipo zimatha chifukwa chakuthwa kwambiri mphero chida kapena mopambanitsa makina deformation pa nthawi mgwirizano.
• Kuwonongeka kwa Pad: Mphamvu ndi akupanga mphamvu ming'alu kapena crater the bond pansi kapena zigawo za silicon pansi pake. Uku ndi kulephera kowopsa komwe nthawi zambiri kumachitika chifukwa cha kuchuluka kugwirizana mphamvu.
• Kupanga Bond Kosagwirizana: Kukula ndi mawonekedwe a mgwirizano kusiyana ndi chimodzi mgwirizano kwa lotsatira. Izi zitha kukhala chifukwa chakuda mphero, zosagwirizana waya quality, kapena vuto ndi bonder yokha.

Kupewa zolephera izi kumafuna njira yolimba kulamulira, zogulira zapamwamba ngati mphero ndi waya, ndi kukonza chizolowezi cha kugwirizana zida. Kulimba kwa mgwirizano ndiye cholinga chomaliza.

Kodi Dongxin Imathandizira Bwanji Ma Injiniya Pakuwongolera Wedge Bond?

Kudziwa za mphero mgwirizano ndi ulendo wopitilira patsogolo, ndipo timadziwona tokha ngati ogwirizana nawo paulendowu. Za a injiniya monga Marcus, chithandizo chochokera kwa ogulitsa chimapitilira kupitilira kutumiza katundu. Timapereka ukatswiri waukadaulo kuti tithandizire kuthana ndi zovuta kwambiri kugwirizana zovuta.

Thandizo lathu limaphatikizapo:

• Custom Tool Design: Timagwira ntchito mwachindunji ndi mainjiniya kupanga ndi kupanga mwambo mphero ndi geometry yeniyeni yofunikira pakugwiritsa ntchito kwake, kaya ndi yabwino kwambiri phula kapena kulemera awiri waya.
• Ukatswiri wa Sayansi Yazinthu: Timathandiza makasitomala athu kusankha zoyenera waya ndi kumvetsetsa kuyanjana kwa zinthu pa mgwirizano mawonekedwe kuonetsetsa kwa nthawi yayitali kudalirika.
• Process Optimization Consulting: Gulu lathu lili ndi chidziwitso chakuya mu waya kugwirizana ndondomeko. Titha kuthandiza kuthetsa zolephera, kukhathamiritsa magawo, ndikuwongolera zokolola. Timamvetsetsa zomwe zimafunika kuti apange changwiro mgwirizano.

Cholinga chathu ndi kukhala woposa wogulitsa; tikufuna kukhala chida chaukadaulo chomwe chimapatsa mphamvu mainjiniya kukankhira malire a zomwe zingatheke ndi mphero mgwirizano. A zabwino mgwirizano ndi chiyambi cha chinthu chachikulu.