The Ultimate Guide to Wire Bond Technology: Mastering the Microscopic Interconnection

Moni, ndine Kevin, ndipo kwa zaka zoposa makumi awiri ku Dongxin Electronic Technology, ndakhala ndikupuma sayansi ya ma micro-connections. Ndakhala ndi mwayi wogwira ntchito limodzi ndi mainjiniya anzeru ngati Marcus ku Germany, kuwathandiza kuthana ndi zovuta zina zovuta kwambiri semiconductor phukusi ndi zamagetsi zamagetsi. Zokambirana nthawi zonse zimabwerera kuukadaulo umodzi wofunikira, koma wovuta kwambiri: the waya chomangira. A waya chomangira ndi choposa chaching'ono chabe waya; ndi njira yovuta yomwe imalola a semiconductor chip kuyankhulana ndi dziko lakunja. Izi kalozera womaliza amabadwa kuchokera ku zokambirana zimenezo. Tidzathetsa vuto lililonse njira yolumikizira waya, kuchokera ku mitundu yosiyanasiyana ya zomangira ku zipangizo zomwe zimagwiritsidwa ntchito, kuti muthe kumvetsa zomwe zimafunika kuti mupange wangwiro, wodalirika kulumikizana nthawi iliyonse.

Kodi Njira Yopangira Mawaya Ndi Chiyani Kwenikweni?

M'malo mwake, ndi njira yolumikizira waya ndi njira yopangira kugwirizana magetsi mwa a semiconductor chip ndi kuyika kwake, kapena pakati pa zigawo zosiyanasiyana pa bolodi lozungulira (PCB). Ganizirani ngati mawaya amagetsi ang'onoang'ono. The ndondomeko kupanga maulumikizidwe awa amagwiritsa ntchito kuphatikiza kuthamanga, kutentha, ndi ultrasonic mwayi kulumikiza zabwino kwambiri waya (nthawi zambiri woonda kuposa tsitsi la munthu) ku mfundo ziwiri, kupanga dziko lolimba weld.

Cholinga ndi kupanga zitsulo zolimba, zodalirika mgwirizano zomwe zimatha kuyendetsa magetsi ndikuchotsa kutentha bwino. A waya chomangira imapangidwa popanda kusungunuka waya m’lingaliro lamwambo. M'malo mwake, ultrasonic mphamvu ntchito kupanga mayendedwe akukolopa pakati pa waya ndi pamwamba (bond pansi). Izi zimachotsa zowononga ndikulola ma atomu a waya ndi pansi kukhudzana kwambiri, kupanga chokhazikika mgwirizano. Njira yolamulidwa kwambiriyi ndiyo msana wamakono makampani a semiconductor, kupangitsa kuti zikhale zovuta komanso zowuma za mabwalo ophatikizika amasiku ano.

Kodi Mitundu Yaikulu Ya Njira Zopangira Mawaya Ndi Chiyani?

Ngakhale kuti cholinga chimakhala chofanana nthawi zonse-kupanga magetsi odalirika mgwirizano- pali njira zingapo zofikira kumeneko. The mitundu ya waya zomangira nthawi zambiri amasiyanitsidwa ndi mawonekedwe a woyamba mgwirizano ndi mtundu wa chida chogwiritsidwa ntchito. Awiri otchuka kwambiri njira zolumikizira waya ndi:

1. Kugwirizana kwa Mpira: Izi ndizofala kwambiri njira yolumikizira waya. Zimayamba ndi kusungunula mapeto a waya ndi spark yamagetsi kupanga mpira wawung'ono. Mpira uwu umakanikizidwa pa bond pansi cha chip kupanga a mgwirizano woyamba. Kenako makinawo amadumphira waya ku malo achiwiri (pa gawo lapansi kapena PCB) ndi kupanga ngati msoko mgwirizano wachiwiri asanagwetse waya kuzimitsa. Njirayi ndiyofulumira kwambiri ndipo imagwiritsidwa ntchito ndi waya wagolide ndi waya wamkuwa.

2. Kugwirizana kwa Wedge: Mu njira iyi, ndi waya amapanikizidwa motsutsana ndi bond pansi pakona ndi chida chooneka ngati mphero. Akupanga mphamvu amagwiritsidwa ntchito kupanga kusokera mgwirizano. Makinawo amapita ku wachiwiri pansi ndi kubwereza ndondomeko kupanga mgwirizano wachiwiri. Kugwirizana kwa wedge akhoza kuchitidwa ndi waya wa aluminiyamu, waya wagolide,ndi waya wamkuwa, ndipo nthawi zambiri imakonda kugwiritsa ntchito ma frequency apamwamba chifukwa chotsika waya lupu mbiri akhoza kukwaniritsa. Kusiyanasiyana, kotchedwa kugwirizana kwa riboni, amagwiritsa ntchito riboni yathyathyathya m'malo mozungulira waya kwa ntchito zapadera.

Kodi Mungasankhe Bwanji Waya Woyenera Pa Bond?

The kusankha kwa waya ndi chimodzi mwa zisudzo zofunika kwambiri pankhaniyi njira yolumikizira waya. Kusankha kwa waya zakuthupi zimakhudza chilichonse kuchokera ku mtengo ndi conductivity kwa nthawi yayitali kudalirika cha chipangizo cha semiconductor. Zida zitatu zoyambirira amagwiritsidwa ntchito polumikizira waya ndi golide, mkuwa, ndi aluminiyamu.

Monga katswiri, nthawi zambiri ndimalangiza makasitomala kuti kusankha sikungokhudza zinthu zakuthupi komanso kugwirizana kwake ndi bond pansi metallurgy ndi ntchito yomwe ikufuna mikhalidwe ya chilengedwe. Mwachitsanzo, nthawi kulumikiza waya wamkuwa imapereka magwiridwe antchito apamwamba, kuyang'anira oxidation wa waya imafuna njira yapamwamba kwambiri. Kwa mapulogalamu ambiri okhazikika, waya wa aluminiyamu imapereka yankho lamphamvu komanso lotsika mtengo.

Chifukwa Chiyani Wire Diameter Ndi Yofunika Kwambiri Pagulu Lodalirika?

The waya awiri sichosankha mwachisawawa; ndi parameter yopangidwa yofunika kwambiri mgwirizanomagwiridwe antchito ndi kudalirika. Wokhuthala waya imatha kunyamula magetsi ochulukirapo popanda kutenthedwa, kupangitsa kuti ikhale yofunikira pazida zamagetsi ndi mapulogalamu omwe ali ndi zofuna zambiri zamakono. Mosiyana ndi zimenezi, kwa mkulu-osalimba semiconductor chips ndi zodzaza mwamphamvu mgwirizano pads, kwambiri waya woonda ndikofunikira kuti mupewe mabwalo amfupi.

Komanso, a waya awiri amatenga gawo lofunikira mu mphamvu yamakina a waya chomangira. Wokhuthala waya mwachibadwa amalenga wamphamvu mgwirizano. The waya chomangira Ayenera kukhala olimba mokwanira kuti athe kupirira zovuta zapakuyika (monga nkhungu encapsulation) ndi kupsinjika kwamakina za malo ake ogwirira ntchito. Timagwira ntchito limodzi ndi mainjiniya kuti tisankhe mulingo woyenera waya zomwe zimalinganiza zofunikira zamagetsi, kulimba kwa makina, ndi zovuta za thupi la mapangidwe awo. Ichi ndi chinthu chofunika kwambiri onjezerani mgwirizano ndondomeko.

Kodi Bondi Yolimba Kwambiri Imapangidwa Bwanji Kwenikweni?

Kupanga wopambana waya mgwirizano ndi kuvina kosakhwima pakati pa makiyi atatu kugwirizana magawo: mphamvu, ultrasonic mphamvu, ndi nthawi. Bonder wamakono amawongolera zosinthika izi mwatsatanetsatane kwambiri kuti apange zitsulo zabwino kwambiri mgwirizano.

1. Bonding Force: Ndi chida cholumikizira imagwiritsa ntchito kuchuluka kwamphamvu kukakamiza waya motsutsana ndi bond pansi. Mphamvu iyi ndiyofunikira pakuwonetsetsa kulumikizana kwapamtima pakati pazigawo ziwiri ndikuyambitsa mgwirizano ndondomeko.
2. Akupanga Mphamvu: Ichi ndi chinthu chobisika. Pamene a waya ikapanikizika, chida chimagwedezeka pamafunde apamwamba (nthawi zambiri 60-120 kHz). Izi ultrasonic Kukolopa kumaphwanya zigawo za oxide ndi zowononga, ndikupanga zitsulo zoyera zomwe zingatheke mosavuta mgwirizano. Zimayambitsanso kupunduka kwa pulasitiki komweko, komwe kumathandizira kusakanikirana kwa ma atomu.
3. Nthawi ya Bond: Iyi ndi nthawi yomwe mphamvu ndi ultrasonic mphamvu zimagwiritsidwa ntchito. Nthawi zambiri zimangokhala ma milliseconds ochepa koma zimayenera kukhala zazitali kuti zilole kukwanira komanso kolimba mgwirizano kupanga.

Kukonza njira iyi ndikofunikira kwambiri kugwirizana zokolola ndi nthawi yaitali kudalirika. Kupatuka kulikonse kungayambitse kufooka mgwirizano kapena kuwonongeka kwa zofooka semiconductor chip pansi pa bond pansi.

Kodi Kusiyana Kwakukulu Pakati pa Wedge Bonding ndi Ball Bonding Ndi Chiyani?

Kusankha pakati pa ziwiri zazikulu ukadaulo wolumikizira waya-mpira ndi mgwirizano wa wedge-nthawi zambiri zimatengera zofunikira pakugwiritsa ntchito. Pamene onse amapanga a waya chomangira, machitidwe awo ndi zotsatira zake zimakhala zosiyana.

The njira yolumikizira mpira nthawi zambiri imakhala yachangu chifukwa chida sichiyenera kusinthasintha pakati pa mgwirizano woyamba ndi mgwirizano wachiwiri. Chida cha capillary chimayenda molunjika mpaka kumtunda gawo lapansi. Izi zimapangitsa kukhala chisankho chosankha kupanga zida zapamwamba zamagulu okhazikika. Choyambirira mgwirizano wa mpira ndi wamphamvu komanso wokhululuka ku kusiyana mu pansi pamwamba khalidwe.

Kugwirizana kwa wedge, kumbali ina, imapereka kusinthasintha kwambiri. Chifukwa zimapanga msoko mgwirizano mbali zonse ziwiri, sizifuna mchira ngati a mgwirizano wa mpira, kulola kuti pakhale kamvekedwe kabwino kwambiri (kutalikirana kwambiri) pakati pa ma bond pads. Zotsatira zake waya lupu ikhoza kusungidwa yotsika kwambiri komanso yosalala, zomwe ndizofunikira pazida zapamwamba kwambiri pomwe kukhulupirika kwazizindikiro ndikofunikira. Njira imeneyi ndi njira yokhayo yotheka kwa kulumikiza waya wa aluminiyamu. Pa Dongxin, ife kupanga zida mwatsatanetsatane njira zonse, kuphatikizapo wathu Chida chomangirira makonda cha aluminiyamu wama waya wowotcherera zida zamagalimoto, yomwe idapangidwa kuti ikwaniritse zofunikira za mgwirizano wa wedge mu ntchito zamagalimoto.

Kodi Ndi Zinthu Ziti Zomwe Zimatsimikizira Kulimba Kwambiri Kwa Bond ndi Kudalirika?

The kudalirika kwa zomangira waya ndiye muyeso womaliza wa kupambana. Mmodzi walephera mgwirizano ikhoza kupangitsa chipangizo chonse kukhala chopanda ntchito. The mphamvu ya mgwirizano ndi ntchito yaitali amakhudzidwa ndi zinthu zambiri, zomwe zinachitikira injiniya ayenera kusamalira mosamala.

• Bond Pad Quality: Ndi bond pansi pa chip ndi gawo lapansi ziyenera kukhala zoyera, zopanda ma oxides, ndi zitsulo zolondola. Kuipitsidwa kulikonse kungayambitse kufooka kapena kulephera mgwirizano.
• Waya Quality: Kugwiritsa a waya wapamwamba kwambiri ndi m'mimba mwake mogwirizana, chiyero, ndi mphamvu sizingakambirane kwa wodalirika mgwirizano.
• Zogwirizana ndi Parameters: Monga tafotokozera, mphamvu, ultrasonic mphamvu, ndi nthawi ziyenera kuchunidwa bwino kuti zitheke waya zakuthupi,diameter, ndi bond pansi zipangizo.
• Mikhalidwe Yachilengedwe: Zinthu monga kutentha ndi chinyezi zingakhudze mgwirizano popita nthawi. Mwachitsanzo, kuphatikiza kwa waya wa aluminiyamu ndi golide mapadi amatha kupanga ma brittle intermetallics (omwe nthawi zambiri amatchedwa "purple plague") pa kutentha kwambiri, zomwe zingayambitse mgwirizano kulephera.
• Kupsinjika Kwamakina: Ndi waya lupu mawonekedwe ndi kutalika ziyenera kuyendetsedwa kuti zitsimikizire waya chomangira amatha kupirira kupsinjika kwa encapsulation ndi njinga yamoto yotentha popanda kutopa.

Chifukwa chiyani Wire Bonding Ikadali Njira Yamphamvu Masiku Ano?

Mu bizinesi yomwe imatanthauzidwa ndi kusintha kwachangu, kugwirizana kwa waya yakhalabe ukadaulo wolumikizirana kwambiri kwazaka zopitilira 50. Pali zifukwa zingapo zomwe zimakhalira bwino. Choyamba, kulumikiza waya kumapereka kusinthasintha kosaneneka. Itha kulumikiza mapadi pamtunda wosiyanasiyana ndi makona osiyanasiyana, zomwe zimakhala zovuta paukadaulo wina ngati flip-chip.

Chachiwiri, ndi okwera mtengo kwambiri. Zomangamanga ndi maziko a chidziwitso kugwirizana kwa waya ndi okhwima komanso ofala, kupangitsa kuti ikhale yankho lachuma kwambiri pamagwiritsidwe osiyanasiyana. Pomaliza, zake kudalirika zatsimikiziridwa. Mukachita bwino, kugwirizana kwa waya ndi olimba kwambiri ndipo ali ndi mbiri yopitilira mabiliyoni a zida, kuchokera kwa ogula wamba zamagetsi ku machitidwe ovuta muzamlengalenga ndi zamankhwala. Ngakhale matekinoloje atsopano akutuluka, kugwirizana kwa waya ndikofunikira ndi gawo lofunikira la semiconductor phukusi malo.

Kodi Mavuto Omwe Amapezeka Pakuphatikiza Waya ndi Chiyani?

Ngakhale kuti ndi okhwima, a njira yolumikizira waya ilibe mavuto ake. Kupeza wangwiro mgwirizano nthawi zonse, makamaka pa liwiro lalitali, amafuna kukhala tcheru nthawi zonse ndi kulamulira ndondomeko. Mmodzi mwa adani akuluakulu a zabwino mgwirizano ndi kuipitsidwa pa bond pansi. Ngakhale wosanjikiza kakang'ono wa mafuta kapena okusayidi angalepheretse zitsulo zoyenera mgwirizano kuyambira kupanga. Ichi ndichifukwa chake zipinda zaukhondo komanso kasamalidwe koyenera ndizofunikira kwambiri Kupanga kwa PCB.

Vuto lina ndi kuvala zida. The chida cholumikizira, kaya mphero kapena capillary, imatha pakapita nthawi. Kuvala uku kungakhudze mawonekedwe a mgwirizano ndi kubweretsa zotsatira zosagwirizana. Kuyendera nthawi zonse ndikusintha zida ndizofunikira. Pomaliza, ndondomeko kutengeka, kumene kugwirizana magawo kusuntha pang'onopang'ono pakapita nthawi chifukwa cha makina ovala kapena kusintha kwa chilengedwe, kumatha kukhudza khalidwe labwino. Ichi ndichifukwa chake kudula deta ndi kuwongolera ndondomeko ya ziwerengero ndizofunikira kuti ntchito ikhale yopindulitsa kwambiri.

Kodi Mungakweze Bwanji Njira Yanu Yomangirira Kuti Mukhale ndi Zokolola Zambiri?

Monga munthu amene amathandiza makasitomala kwaniritsa njira zawo, ndikukhulupirira kuti kupambana kumatsikira ku njira yonse. Choyamba, yambani ndi zipangizo zabwino kwambiri. Izi zikutanthauza kugwiritsa ntchito chiyero chapamwamba waya kuchokera kwa ogulitsa odziwika ngati athu Mtengo wapamwamba kwambiri ku Germany kuitanitsa waya wa aluminiyamu womangira / riboni/mzere ndi kutsimikizira zanu semiconductor chips ndipo magawowo amakhala oyera, osasinthasintha mgwirizano mapepala.

Chachiwiri, khazikitsani zida zapamwamba kwambiri ndikuzisamalira mosamala. Chida cholondola ngati chathu Wopanga woyamba moyo wautali omangira makina ogwiritsira ntchito waya wandiweyani wamkuwa wa V groove wedge bonding chida akhoza kusintha kwambiri mgwirizano kusasinthika ndi moyo zida. Chachitatu, kuchita okhwima ndondomeko makhalidwe. Osamangogwiritsa ntchito zokonda za wopanga. Muyenera experimentally kudziwa mulingo woyenera kwambiri zomangira magawo kwa ntchito yanu yeniyeni kulenga widest zotheka ndondomeko zenera. Pomaliza, gwiritsani ntchito kuwunikira kokhazikika. Gwiritsani ntchito masensa opangidwa ndi makinawo komanso kuyesa kowononga nthawi ndi nthawi (monga kuyesa kukoka waya) kuti muwonetsetse kuti njira yanu ipitilirabe kuwongolera komanso mgwirizano khalidwe silimagwedezeka.

Zofunika Kwambiri

The waya chomangira ndi gawo laling'ono lomwe lili ndi udindo waukulu. Kudziwa luso lamakono ndilofunika kwambiri popanga zipangizo zamagetsi zodalirika komanso zogwira ntchito kwambiri. Nazi zinthu zofunika kwambiri kukumbukira:

• Maziko: Kulumikiza waya ndi njira yowotcherera yolimba yomwe imagwiritsa ntchito ultrasonic mphamvu, mphamvu, ndi nthawi kupanga zolumikizira magetsi.
• Mitundu Yaikulu: Awiri oyambirira njira zolumikizira waya ndi kugwirizana kwa mpira (mwachangu, wamba golide/mkuwa) ndi mgwirizano wa wedge (yosinthika, yofunikira pa aluminiyumu).
• Zofunika: Kusankha kwa waya zakuthupi-golide, mkuwa, kapena aluminiyamu-ndi chisankho chofunikira kwambiri chomwe chimalinganiza mtengo, ntchito, ndi kudalirika.
• Ma Parameters ndi ofunika: A wopambana mgwirizano zimatengera kuwongolera kolondola kwa kugwirizana magawo (mphamvu, mphamvu, nthawi) zogwirizana ndi zipangizo zomwe zimagwiritsidwa ntchito.
• Kudalirika ndi Chilichonse: Kuchita kwa nthawi yayitali kwa a waya chomangira imakhudzidwa ndi zinthu zambiri, kuphatikizapo ubwino wa zinthu, kayendetsedwe ka kayendetsedwe kake, ndi chilengedwe.
• Tekinoloje Yotsimikizika: Ngakhale zaka zake, kugwirizana kwa waya imakhalabe yolamulira komanso yofunikira kulumikizana teknoloji mu semiconductor dziko chifukwa cha kusinthasintha kwake, kutsika mtengo, komanso mbiri yotsimikizika.