JP4242442B2 - 電子部品実装方法 - Google Patents
電子部品実装方法 Download PDFInfo
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- JP4242442B2 JP4242442B2 JP2007541003A JP2007541003A JP4242442B2 JP 4242442 B2 JP4242442 B2 JP 4242442B2 JP 2007541003 A JP2007541003 A JP 2007541003A JP 2007541003 A JP2007541003 A JP 2007541003A JP 4242442 B2 JP4242442 B2 JP 4242442B2
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- electronic component
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- 238000000034 method Methods 0.000 title claims description 126
- 229920005989 resin Polymers 0.000 claims description 225
- 239000011347 resin Substances 0.000 claims description 225
- 229920001187 thermosetting polymer Polymers 0.000 claims description 145
- 239000000758 substrate Substances 0.000 claims description 99
- 239000007788 liquid Substances 0.000 claims description 96
- 238000010438 heat treatment Methods 0.000 claims description 41
- 239000002184 metal Substances 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000012530 fluid Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 22
- 238000010586 diagram Methods 0.000 description 17
- 239000011248 coating agent Substances 0.000 description 15
- 238000000576 coating method Methods 0.000 description 15
- 230000003014 reinforcing effect Effects 0.000 description 13
- 238000003825 pressing Methods 0.000 description 10
- 239000000945 filler Substances 0.000 description 9
- 230000008646 thermal stress Effects 0.000 description 9
- 238000001816 cooling Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000005304 joining Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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Description
その一部が上記電子部品実装領域内に配置され、上記一部よりも大液量の残部が上記電子部品実装領域外に配置されるように、液状の熱硬化性樹脂を液塊の状態にて上記基板の表面に配置し、
上記電子部品を保持した熱圧着ヘッドを上記基板へ向かって下降させて、上記電子部品のバンプ形成面を上記液塊状態の熱硬化性樹脂の上記一部に接触させるとともに、上記バンプを上記基板の上記電極へ押圧し、
上記バンプを上記電極に押圧した状態で上記熱圧着ヘッドにより上記電子部品を加熱して、上記バンプと上記電極との金属接合を行うとともに、上記基板の上記電子部品実装領域における上記電子部品との間の隙間への上記液塊状態の熱硬化性樹脂の進入ならびに進入した熱硬化性樹脂の熱硬化反応を促進させるように上記熱硬化性樹脂を加熱して、硬化された上記熱硬化性樹脂を介して上記電子部品を上記基板に接合し、
その後、上記熱圧着ヘッドを上記電子部品から離脱させて、上記電子部品を上記基板に実装する、電子部品実装方法を提供する。
上記基板の上記電子部品実装領域の外側の表面に液状の熱硬化性樹脂を液塊の状態にて配置し、
上記電子部品を保持した熱圧着ヘッドを上記基板に向かって下降させて、上記バンプを上記基板の上記電極へ押圧するとともに、上記電子部品実装領域外に配置された上記熱硬化性樹脂の液塊の一部が上記電子部品実装領域内に到達するように流動して、上記電子部品のバンプ形成面に上記一部の熱硬化性樹脂を接触させ、
上記バンプを上記電極に押圧した状態で上記熱圧着ヘッドにより上記電子部品を加熱して、上記バンプを上記電極との金属接合を行うとともに、上記基板の上記電子部品実装領域における上記電子部品との間の隙間への上記液塊状態の熱硬化性樹脂の進入ならびに進入した熱硬化性樹脂の熱硬化反応を促進させるように上記熱硬化性樹脂を加熱して、硬化された上記熱硬化性樹脂を介して上記電子部品を上記基板に接合し、
その後、上記熱圧着ヘッドを上記電子部品から離脱させて、上記電子部品を上記基板に実装する、電子部品実装方法を提供する。
以下に、本発明にかかる実施の形態を図面に基づいて詳細に説明する。
図1A〜図1Eのそれぞれは本発明の第1実施形態の電子部品実装方法の工程説明図、図2Aは本発明の第1実施形態の電子部品実装方法における樹脂配置形態の模式説明図、図2Bは本発明の第1実施形態の電子部品実装方法における樹脂進入状態の説明図、図3A及び図3B、並びに図4A及び図4Bは本発明の第1実施形態の電子部品実装方法における樹脂配置形態の変形例の模式説明図である。
なお、本発明は上記第1実施形態に限定されるものではなく、その他種々の態様で実施できる。例えば、本発明の第2の実施形態にかかる電子部品実装方法について図面に基づいて説明する。
次に、本発明の第3の実施形態にかかる電子部品実装方法について図面に基づいて説明する。図7A〜図7Eのそれぞれは本第3実施形態の電子部品実装方法の模式工程図である。本第3実施形態の電子部品実装方法においては、上記第1実施形態及び上記第2実施形態にて電子部品の搭載に先立ってあらかじめ供給されていた熱硬化性樹脂3を、熱圧着工程において供給するようにしたものである。
Claims (7)
- 電子部品に形成されたバンプを基板の電子部品実装領域に形成された電極と金属接合により電気的に接続する電子部品実装方法において、
その一部が上記電子部品実装領域内に配置され、上記一部よりも大液量の残部が上記電子部品実装領域外に配置されるように、液状の熱硬化性樹脂を液塊の状態にて上記基板の表面に配置し、
上記電子部品を保持した熱圧着ヘッドを上記基板へ向かって下降させて、上記電子部品のバンプ形成面を上記液塊状態の熱硬化性樹脂の上記一部に接触させるとともに、上記バンプを上記基板の上記電極へ押圧し、
上記バンプを上記電極に押圧した状態で上記熱圧着ヘッドにより上記電子部品を加熱して、上記バンプと上記電極との金属接合を行うとともに、上記基板の上記電子部品実装領域における上記電子部品との間の隙間への上記液塊状態の熱硬化性樹脂の進入ならびに進入した熱硬化性樹脂の熱硬化反応を促進させるように上記熱硬化性樹脂を加熱して、硬化された上記熱硬化性樹脂を介して上記電子部品を上記基板に接合し、
その後、上記熱圧着ヘッドを上記電子部品から離脱させて、上記電子部品を上記基板に実装する、電子部品実装方法。 - 上記液塊状態の熱硬化性樹脂の上記一部が、上記電子部品実装領域内における上記基板の上記電極を覆わないように配置される、請求項1に記載の電子部品実装方法。
- 上記液状の熱硬化性樹脂が上記基板の表面に塗布されることにより配置され、上記塗布により、上記液塊の一部が上記電子部品実装領域に配置されかつ大液量の上記残部が上記電子部品実装領域外に配置されるような上記液塊の形状が形成される、請求項1に記載の電子部品実装方法。
- 上記熱硬化性樹脂の液塊は、上記電子部品実装領域外に配置された液塊本体部と、上記液塊本体部から突出してその先端部が上記電子部品実装領域内に到達する舌状部とを有する一体的な形状に、上記塗布により形成される、請求項3に記載の電子部品実装方法。
- 上記熱圧着ヘッドによる上記熱硬化性樹脂に対する加熱は、上記熱硬化性樹脂が硬化するまで継続して行われる、請求項1に記載の電子部品実装方法。
- 電子部品に形成されたバンプを基板の電子部品実装領域に形成された電極と金属接合により電気的に接続する電子部品実装方法において、
上記基板の上記電子部品実装領域の外側の表面に液状の熱硬化性樹脂を液塊の状態にて配置し、
上記電子部品を保持した熱圧着ヘッドを上記基板に向かって下降させて、上記バンプを上記基板の上記電極へ押圧するとともに、上記電子部品実装領域外に配置された上記熱硬化性樹脂の液塊の一部が上記電子部品実装領域内に到達するように流動して、上記電子部品のバンプ形成面に上記一部の熱硬化性樹脂を接触させ、
上記バンプを上記電極に押圧した状態で上記熱圧着ヘッドにより上記電子部品を加熱して、上記バンプを上記電極との金属接合を行うとともに、上記基板の上記電子部品実装領域における上記電子部品との間の隙間への上記液塊状態の熱硬化性樹脂の進入ならびに進入した熱硬化性樹脂の熱硬化反応を促進させるように上記熱硬化性樹脂を加熱して、硬化された上記熱硬化性樹脂を介して上記電子部品を上記基板に接合し、
その後、上記熱圧着ヘッドを上記電子部品から離脱させて、上記電子部品を上記基板に実装する、電子部品実装方法。 - 上記熱硬化性樹脂の上記電子部品への接触は、上記バンプが上記電極に押圧された後に、上記電子部品実装領域内へ流動した上記熱硬化性樹脂の一部が、上記電子部品に接触することにより行われる、請求項6に記載の電子部品実装方法。
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