JP3744927B2 - カプセル化電子部品、特に集積回路の製造方法 - Google Patents
カプセル化電子部品、特に集積回路の製造方法 Download PDFInfo
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- JP3744927B2 JP3744927B2 JP2004261963A JP2004261963A JP3744927B2 JP 3744927 B2 JP3744927 B2 JP 3744927B2 JP 2004261963 A JP2004261963 A JP 2004261963A JP 2004261963 A JP2004261963 A JP 2004261963A JP 3744927 B2 JP3744927 B2 JP 3744927B2
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- Prior art keywords
- adhesive film
- lead frame
- electronic component
- electronic components
- pressing
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 239000002313 adhesive film Substances 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 24
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 9
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- -1 polyethylene terephthalate Polymers 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000005538 encapsulation Methods 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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- B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
- B29C45/14655—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components connected to or mounted on a carrier, e.g. lead frame
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Description
a)導電性支持体の第1の面上に電子部品を取り付け、電子部品を導電性支持体と電気的に接続する段階;
b)支持体の第2の面を粘着フィルムを用いて実質的に完全に遮蔽しながら、型を用いて、導電性支持体の第1の面のみに、カプセル化材料により、1以上の型穴中で電子部品をカプセル化する段階;
c)粘着フィルムを除去し、切取線に沿って、個々のカプセル化電子部品を分離する段階
をこの順序で有する方法に関するものである。
Claims (10)
- カプセル化電子部品(2)の製造方法であって、少なくとも
a)リードフレーム(1)の第1の面(5)上に電子部品(2)を取り付け、電子部品(2)をリードフレーム(1)と電気的に接続する段階;
b)リードフレーム(1)の第2の面(6)を粘着フィルム(7)を用いて実質的に完全に遮蔽しながら、型を用いて、リードフレーム(1)の第1の面(5)のみに、カプセル化材料(8)により、電子部品(2)をカプセル化する段階;
c)粘着フィルム(7)を除去し、切取線(16)に沿って、個々のカプセル化電子部品(2)を分離する段階
をこの順序で有する方法において、
リードフレーム(1)の遮蔽すべき第2の面(6)への粘着フィルム(7)の接着を段階a)と段階b)の間で行い、
粘着フィルム(7)が基材フィルムおよび接着層からなり、前記接着層が温度上昇することで粘着性となる材料からなり、
粘着フィルムの温度が上昇され、リードフレーム(1)を粘着フィルムに接着することが可能となり、
段階b)において、型穴1個当たり少なくとも2個の電子部品(2)をカプセル化することを特徴とする方法。 - 粘着フィルム(7)は型への挿入の直前にリードフレームに接着されることを特徴とする請求項1に記載の方法。
- 粘着フィルム(7)を型に入れた後に、電子部品(2)を有するリードフレーム(1)を第2の面(6)で粘着フィルム(7)に接着する請求項1に記載の方法。
- 粘着フィルム(7)のリードフレーム(1)への接着を、前記切取線(16)に沿って配置される押圧突出部(13)を有する押圧部品(12)を用いて行うことを特徴とする請求項1から3のいずれか一項に記載の方法。
- 個々の電子部品(2)に好適な形に作られた凹部(15)を有し、凹部間のブリッジが押圧突出部(13)を形成している押圧部品(12)を用いることを特徴と請求項4に記載の方法。
- 接着層が、変性ポリエチレンテレフタレートからなることを特徴とする請求項1から5のうちいずれか一項に記載の方法。
- 接着層(14)の厚さが5μm未満であることを特徴とする請求項6に記載の方法。
- 段階c)において、粘着フィルム(7)を加熱する適切な加熱手段によって、粘着フィルム(7)が除去されることを特徴とする請求項1から7のいずれか一項に記載の方法。
- 請求項6ないし8のいずれか一項に記載の方法で使用される少なくとも基材フィルムおよび変性ポリエチレンテレフタレートからなる粘着フィルム(7)。
- リードフレーム(1)を粘着フィルム(7)に押圧する間に電子部品(2)を収納するのに好適な形に作られた凹部(15)を有する平坦なスチール製プレートからなる、請求項4ないし8のいずれか一項に記載の方法で使用される押圧部品(12)。
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NL1011929A NL1011929C2 (nl) | 1999-04-29 | 1999-04-29 | Werkwijze voor het inkapselen van elektronische componenten, in het bijzonder geintegreerde schakelingen. |
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EP (2) | EP1175290B1 (ja) |
JP (2) | JP2002543604A (ja) |
KR (1) | KR100701720B1 (ja) |
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AU (1) | AU4624900A (ja) |
DE (1) | DE60008093T2 (ja) |
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KR100701720B1 (ko) | 2007-03-29 |
WO2000066340A1 (en) | 2000-11-09 |
NL1011929C2 (nl) | 2000-10-31 |
US6921682B2 (en) | 2005-07-26 |
US20020064926A1 (en) | 2002-05-30 |
EP1338397A3 (en) | 2004-03-24 |
EP1175290B1 (en) | 2004-02-04 |
JP2002543604A (ja) | 2002-12-17 |
EP1175290A1 (en) | 2002-01-30 |
HK1044737A1 (en) | 2002-11-01 |
EP1338397A2 (en) | 2003-08-27 |
DE60008093D1 (de) | 2004-03-11 |
SG121813A1 (en) | 2006-05-26 |
DE60008093T2 (de) | 2004-09-09 |
US20040005737A1 (en) | 2004-01-08 |
ATE258846T1 (de) | 2004-02-15 |
KR20020000883A (ko) | 2002-01-05 |
AU4624900A (en) | 2000-11-17 |
JP2004349728A (ja) | 2004-12-09 |
US6613607B2 (en) | 2003-09-02 |
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