JP2005303251A - 集積回路のパッケージ方法 - Google Patents
集積回路のパッケージ方法 Download PDFInfo
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- JP2005303251A JP2005303251A JP2004238436A JP2004238436A JP2005303251A JP 2005303251 A JP2005303251 A JP 2005303251A JP 2004238436 A JP2004238436 A JP 2004238436A JP 2004238436 A JP2004238436 A JP 2004238436A JP 2005303251 A JP2005303251 A JP 2005303251A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 18
- 239000003566 sealing material Substances 0.000 claims abstract description 27
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 9
- 238000005520 cutting process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- H01L24/97—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being connected to a common substrate, e.g. interposer, said common substrate being separable into individual assemblies after connecting
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Abstract
【解決手段】ウエハ研磨、ウエハ粘着、ダイシング、ダイボンド及びワイヤボンドなどの工程を経てカットした複数のチップ1を各リードフレームユニット41にそれぞれマウントし、各リードフレームユニットを各チップ1の対外導電デバイスとし、チップ1のワイヤボンディング箇所を選んで封止材料6を使用して連続滴下或いは塗布を実施して気密封止し、加熱して該封止材料を凝固させ、プレスカットでチップ1をリードフレームユニットともども切り離し(カット)、以上により応用に供することができる集積回路を製造し、パッケージとカットの簡易化、スピードアップ及び製造コスト削減などの効果が得られる。
【選択図】図9
Description
この工程を実施すれば、公知の金型設備を省略できるため、製造プロセスを簡素化、スピードアップ、低コスト化でき、集積回路品質の制御が容易になり大量生産に適するなどといった効果が得られる。また、本発明は「打ち抜き」(H)工程で、パンチプレス方式で独立ユニットの集積回路を切り離し、上述のリードフレーム4の余剰材料を排除するから、パンチ金型の設計によって一度に多数個の集積回路を切り離すことができ、公知の一つずつ切断する方法を改善してより一層集積回路生産の製造を加速でき、大量生産に適している。
B ウエハ粘着
C ダイシング
D ダイボンド
E ワイヤボンド
F 封止材滴下
G 加熱
H 打ち抜き
10 ウエハ
20 リードフレームユニット
201 ピン
30 ワイヤ
40 封止部
1 チップ
2 粘着物
3 金属フレーム
4 リードフレーム
41 リードフレームユニット
411 ピン
5 ワイヤ
6 封止材料
61 封止部
7 板材
71 開口部
72 ブレード
Claims (2)
- 集積回路のパッケージ方法は順に、ウエハ研磨、ウエハ粘着、ウエハダイシング、ダイボンド、ワイヤボンドの方法を含み、複数のチップをそれぞれリードフレームの各リードフレームユニット上に固定し、該リードフレームユニットは複数の配列状態のピンを具え、更にワイヤでチップの電気的接点とリードフレームユニットの各ピンとの間を接続して、後続のパッケージ作業に供し、
後続パッケージ作業は、
(a)該チップのワイヤで外部と電気的に接続できるように構成してある箇所を選定し、溶融して適当な粘度を有する液体封止材料を使用してそのまま滴下を行い、これにより該ワイヤの電気的接続箇所を気密封止し、
(b)続いて滴下を完了した封止材料に適温で加熱して、該封止材料を硬化させて封止部を形成し、
(c)最後にパンチプレス方式を用いて、各リードフレームユニットのリード外端の余剰の材料を切除し、これによりチップ、リードフレームユニット、複数のピン、ワイヤ及び封止部を具えた集積回路に切り離すようにして成ることを特徴とする集積回路のパッケージ方法。 - 該後続のパッケージ作業は、チップの一面にワイヤで外部と電気的に接続できる部位を構成を実施してあり、予め板材で覆い、該板材はワイヤの電気的接続箇所に対応して開口部を設けてあり、これに、封止材料を板材の上に置いてブレードで封止材料を押し動かして開口部に充填することにより、封止材料がワイヤの電気的接続箇所を気密封止するようにして成ることを特徴とする請求項1記載の集積回路のパッケージ方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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TW093109595A TWI230426B (en) | 2004-04-07 | 2004-04-07 | Packaging method of integrated circuit |
Publications (1)
Publication Number | Publication Date |
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JP2005303251A true JP2005303251A (ja) | 2005-10-27 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004238436A Pending JP2005303251A (ja) | 2004-04-07 | 2004-08-18 | 集積回路のパッケージ方法 |
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US (1) | US7074651B2 (ja) |
JP (1) | JP2005303251A (ja) |
TW (1) | TWI230426B (ja) |
Families Citing this family (13)
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US7342308B2 (en) | 2005-12-20 | 2008-03-11 | Atmel Corporation | Component stacking for integrated circuit electronic package |
US7821122B2 (en) | 2005-12-22 | 2010-10-26 | Atmel Corporation | Method and system for increasing circuitry interconnection and component capacity in a multi-component package |
DE102006012755B4 (de) * | 2006-03-17 | 2012-06-21 | Qimonda Ag | Verfahren zur Herstellung von Halbleiterbauelementen |
SG149725A1 (en) | 2007-07-24 | 2009-02-27 | Micron Technology Inc | Thin semiconductor die packages and associated systems and methods |
SG149724A1 (en) * | 2007-07-24 | 2009-02-27 | Micron Technology Inc | Semicoductor dies with recesses, associated leadframes, and associated systems and methods |
WO2009039550A1 (en) * | 2007-09-25 | 2009-04-02 | Silverbrook Research Pty Ltd | Method of wire bond encapsulation profiling |
US7618842B2 (en) * | 2007-09-25 | 2009-11-17 | Silverbrook Research Pty Ltd | Method of applying encapsulant to wire bonds |
US7659141B2 (en) * | 2007-09-25 | 2010-02-09 | Silverbrook Research Pty Ltd | Wire bond encapsulant application control |
US7741720B2 (en) | 2007-09-25 | 2010-06-22 | Silverbrook Research Pty Ltd | Electronic device with wire bonds adhered between integrated circuits dies and printed circuit boards |
US7669751B2 (en) | 2007-09-25 | 2010-03-02 | Silverbrook Research Pty Ltd | Method of forming low profile wire bonds between integrated circuits dies and printed circuit boards |
US8604898B2 (en) | 2009-04-20 | 2013-12-10 | International Business Machines Corporation | Vertical integrated circuit switches, design structure and methods of fabricating same |
US8691341B2 (en) * | 2011-09-30 | 2014-04-08 | Lexmark International, Inc. | Method of controlling the height of encapsulant on an inkjet printhead |
CN107481944B (zh) * | 2017-07-14 | 2019-08-20 | 李军 | 一种半导体器件混合封装方法 |
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US5250843A (en) * | 1991-03-27 | 1993-10-05 | Integrated System Assemblies Corp. | Multichip integrated circuit modules |
JP3241251B2 (ja) * | 1994-12-16 | 2001-12-25 | キヤノン株式会社 | 電子放出素子の製造方法及び電子源基板の製造方法 |
US6342434B1 (en) * | 1995-12-04 | 2002-01-29 | Hitachi, Ltd. | Methods of processing semiconductor wafer, and producing IC card, and carrier |
DE69840914D1 (de) * | 1997-10-14 | 2009-07-30 | Patterning Technologies Ltd | Methode zur Herstellung eines elektrischen Kondensators |
US6908784B1 (en) * | 2002-03-06 | 2005-06-21 | Micron Technology, Inc. | Method for fabricating encapsulated semiconductor components |
US6921974B2 (en) * | 2003-03-28 | 2005-07-26 | United Test & Assembly Center Ltd. | Packaged device with thermal enhancement and method of packaging |
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