JP2012049493A - 撮像部品 - Google Patents
撮像部品 Download PDFInfo
- Publication number
- JP2012049493A JP2012049493A JP2011016927A JP2011016927A JP2012049493A JP 2012049493 A JP2012049493 A JP 2012049493A JP 2011016927 A JP2011016927 A JP 2011016927A JP 2011016927 A JP2011016927 A JP 2011016927A JP 2012049493 A JP2012049493 A JP 2012049493A
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- JP
- Japan
- Prior art keywords
- conductive sheet
- epoxy resin
- heat conductive
- imaging
- boron nitride
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000003384 imaging method Methods 0.000 title claims abstract description 84
- 239000002245 particle Substances 0.000 claims abstract description 65
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052582 BN Inorganic materials 0.000 claims abstract description 55
- 230000005855 radiation Effects 0.000 abstract 2
- 229920000647 polyepoxide Polymers 0.000 description 80
- 239000003822 epoxy resin Substances 0.000 description 77
- 238000000034 method Methods 0.000 description 41
- 229920005989 resin Polymers 0.000 description 41
- 239000011347 resin Substances 0.000 description 41
- -1 polyethylene Polymers 0.000 description 28
- 239000000758 substrate Substances 0.000 description 28
- 239000007787 solid Substances 0.000 description 27
- 238000012360 testing method Methods 0.000 description 24
- 238000004519 manufacturing process Methods 0.000 description 22
- 229920001187 thermosetting polymer Polymers 0.000 description 20
- 239000000203 mixture Substances 0.000 description 19
- 239000002904 solvent Substances 0.000 description 19
- 239000003795 chemical substances by application Substances 0.000 description 16
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 15
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 14
- 239000004020 conductor Substances 0.000 description 10
- 238000007731 hot pressing Methods 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- 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 9
- 238000005452 bending Methods 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 239000004593 Epoxy Substances 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 7
- 229910002804 graphite Inorganic materials 0.000 description 7
- 239000010439 graphite Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
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- 238000007639 printing Methods 0.000 description 7
- 238000000149 argon plasma sintering Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 6
- 229920000098 polyolefin Polymers 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
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- 125000003118 aryl group Chemical group 0.000 description 5
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- 229930185605 Bisphenol Natural products 0.000 description 4
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- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 4
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- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
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- 238000002834 transmittance Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
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- 150000001408 amides Chemical class 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
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- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- MUTGBJKUEZFXGO-OLQVQODUSA-N (3as,7ar)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione Chemical compound C1CCC[C@@H]2C(=O)OC(=O)[C@@H]21 MUTGBJKUEZFXGO-OLQVQODUSA-N 0.000 description 1
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 description 1
- RUEBPOOTFCZRBC-UHFFFAOYSA-N (5-methyl-2-phenyl-1h-imidazol-4-yl)methanol Chemical compound OCC1=C(C)NC(C=2C=CC=CC=2)=N1 RUEBPOOTFCZRBC-UHFFFAOYSA-N 0.000 description 1
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- OUPZKGBUJRBPGC-UHFFFAOYSA-N 1,3,5-tris(oxiran-2-ylmethyl)-1,3,5-triazinane-2,4,6-trione Chemical compound O=C1N(CC2OC2)C(=O)N(CC2OC2)C(=O)N1CC1CO1 OUPZKGBUJRBPGC-UHFFFAOYSA-N 0.000 description 1
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 1
- ASLICXGLMBICCD-UHFFFAOYSA-N 1-ethyl-4,5-dihydroimidazole Chemical compound CCN1CCN=C1 ASLICXGLMBICCD-UHFFFAOYSA-N 0.000 description 1
- SPBJUTVLDJRGSY-UHFFFAOYSA-N 1-heptadecyl-4,5-dihydroimidazole Chemical compound CCCCCCCCCCCCCCCCCN1CCN=C1 SPBJUTVLDJRGSY-UHFFFAOYSA-N 0.000 description 1
- ANFXTILBDGTSEG-UHFFFAOYSA-N 1-methyl-4,5-dihydroimidazole Chemical compound CN1CCN=C1 ANFXTILBDGTSEG-UHFFFAOYSA-N 0.000 description 1
- YJBAUTPCBIGXHL-UHFFFAOYSA-N 1-phenyl-4,5-dihydroimidazole Chemical compound C1=NCCN1C1=CC=CC=C1 YJBAUTPCBIGXHL-UHFFFAOYSA-N 0.000 description 1
- VUDCHJYPASPIJR-UHFFFAOYSA-N 1-propan-2-yl-4,5-dihydroimidazole Chemical compound CC(C)N1CCN=C1 VUDCHJYPASPIJR-UHFFFAOYSA-N 0.000 description 1
- RDBONSWKYPUHCS-UHFFFAOYSA-N 1-undecyl-4,5-dihydroimidazole Chemical compound CCCCCCCCCCCN1CCN=C1 RDBONSWKYPUHCS-UHFFFAOYSA-N 0.000 description 1
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 1
- SHYARJUKNREDGB-UHFFFAOYSA-N 2-ethyl-5-methyl-4,5-dihydro-1h-imidazole Chemical compound CCC1=NCC(C)N1 SHYARJUKNREDGB-UHFFFAOYSA-N 0.000 description 1
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 description 1
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- ZCUJYXPAKHMBAZ-UHFFFAOYSA-N 2-phenyl-1h-imidazole Chemical compound C1=CNC(C=2C=CC=CC=2)=N1 ZCUJYXPAKHMBAZ-UHFFFAOYSA-N 0.000 description 1
- HGFWTERYDVYMMD-UHFFFAOYSA-N 3,3-dichlorooxolane-2,5-dione Chemical compound ClC1(Cl)CC(=O)OC1=O HGFWTERYDVYMMD-UHFFFAOYSA-N 0.000 description 1
- WVRNUXJQQFPNMN-VAWYXSNFSA-N 3-[(e)-dodec-1-enyl]oxolane-2,5-dione Chemical compound CCCCCCCCCC\C=C\C1CC(=O)OC1=O WVRNUXJQQFPNMN-VAWYXSNFSA-N 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- UITKHKNFVCYWNG-UHFFFAOYSA-N 4-(3,4-dicarboxybenzoyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 UITKHKNFVCYWNG-UHFFFAOYSA-N 0.000 description 1
- FKBMTBAXDISZGN-UHFFFAOYSA-N 5-methyl-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione Chemical compound C1C(C)CCC2C(=O)OC(=O)C12 FKBMTBAXDISZGN-UHFFFAOYSA-N 0.000 description 1
- ULKLGIFJWFIQFF-UHFFFAOYSA-N 5K8XI641G3 Chemical compound CCC1=NC=C(C)N1 ULKLGIFJWFIQFF-UHFFFAOYSA-N 0.000 description 1
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- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
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- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
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- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
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- JIYNFFGKZCOPKN-UHFFFAOYSA-N sbb061129 Chemical compound O=C1OC(=O)C2C1C1C=C(C)C2C1 JIYNFFGKZCOPKN-UHFFFAOYSA-N 0.000 description 1
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Abstract
【解決手段】撮像部品1が、光が入射される光入射面、および、光入射面の反対側に配置される裏面を備える撮像素子2と、裏面に設けられ、撮像素子2から生じる熱を放熱するための、板状の窒化ホウ素粒子を含有し、熱伝導性シート3の厚み方向に対する直交方向の熱伝導率が、4W/m・K以上である熱伝導性シート3とを備える。このような撮像部品1によれば、優れた放熱性を確保するとともに、温度の均一化を図ることができ、さらには、低コスト化を図ることができる。
【選択図】図1
Description
試験装置:タイプI
マンドレル:直径10mm
屈曲角度:90度以上
熱伝導性シート3の厚み:0.3mm
さらに好ましくは、熱伝導性シート3は、上記した試験条件において、屈曲角度を180度に設定したときでも、破断が観察されない。
試験片:サイズ20mm×15mm
支点間距離:5mm
試験速度:20mm/min(圧子の押下速度)
曲げ角度:120度
評価方法:上記試験条件で試験したときの、試験片の中央部におけるクラックなどの破断の有無を目視にて観察する。
PT−110(商品名、板状の窒化ホウ素粒子、平均粒子径(光散乱法)45μm、モメンティブ・パフォーマンス・マテリアルズ・ジャパン社製)13.42gと、JER828(商品名、ビスフェノールA型エポキシ樹脂、第1エポキシ樹脂、液状、エポキシ当量184〜194g/eqiv.、軟化温度(環球法)25℃未満、溶融粘度(80℃)70mPa・s、ジャパンエポキシレジン社製)1.0g、および、EPPN−501HY(商品名、トリフェニルメタン型エポキシ樹脂、第2エポキシ樹脂、固形状、エポキシ当量163〜175g/eqiv.、軟化温度(環球法)57〜63℃、日本化薬社製)2.0gと、硬化剤(キュアゾール2P4MHZ−PW(商品名、四国化成社製)の5質量%メチルエチルケトン分散液)3g(固形分0.15g)(エポキシ樹脂であるJER828およびEPPN−501HYの総量に対して5質量%)とを配合して攪拌し、室温(23℃)で1晩放置して、メチルエチルケトン(硬化剤の分散媒)を揮発させて、半固形状の混合物を調製した。
表1〜表3の配合処方および製造条件に準拠して、製造例1と同様に処理して、熱伝導性シートを得た。
表2の配合処方に準拠して、各成分(窒化ホウ素粒子およびポリエチレン)を配合して攪拌することにより、混合物を調製した。すなわち、各成分の攪拌では、130℃に加熱して、ポリエチレンを溶融させた。
表面照射型イメージセンサの、光入射面の反対側に配置される裏面に、製造例1で得られた未硬化(Bステージ)状態の熱伝導性シートを貼着した(図1参照)。その後、これらを150℃で120分間加熱することにより、熱伝導性シートを熱硬化させ、撮像部品を製造した。
製造例2〜16で得られた熱伝導性シートを用いて、実施例1と同様にして、実施例2〜16の撮像部品を製造した。
裏面照射型イメージセンサの、光入射面の反対側に配置される裏面に、製造例1で得られた未硬化(Bステージ)状態の熱伝導性シートを貼着した(図1参照)。その後、これらを150℃で120分間加熱することにより、熱伝導性シートを熱硬化させ、撮像部品を製造した。
製造例2〜16で得られた熱伝導性シートを用いて、実施例17と同様にして、実施例18〜32の撮像部品を製造した。
実施例1で用いた表面照射型イメージセンサを、撮像部品とした。なお、この撮像部品には、熱伝導性シートを貼着しなかった。
実施例17で用いた裏面照射型イメージセンサを、撮像部品とした。なお、この撮像部品には、熱伝導性シートを貼着しなかった。
1.熱伝導率
製造例1〜16で得られた熱伝導性シートについて、熱伝導率を測定した。
2.放熱性および温度むら
実施例1〜32の撮像部品を動作させた後、熱伝導性シートの温度を赤外線カメラで測定したところ、温度上昇および温度むらがほとんどなかったことが確認された。
3.空隙率(P)
製造例1〜16の熱硬化前の熱伝導性シートの空隙率(P1)を下記の測定方法により測定した。
4.段差追従性(3点曲げ試験)
製造例1〜16の熱硬化前の熱伝導性シートについて、下記試験条件における3点曲げ試験を、JIS K7171(2008年)に準拠して、実施することにより、段差追従性を下記の評価基準に従って評価した。その結果を表1〜表3に示す。
試験片:サイズ20mm×15mm
支点間距離:5mm
試験速度:20mm/min(圧子の押下速度)
曲げ角度:120度
(評価基準)
◎:破断が全く観察されなかった。
5.印刷マーク視認性(印刷マーク付着性:インクジェット印刷またはレーザー印刷によるマーク付着性)
製造例1〜16の熱伝導性シートに、インクジェット印刷およびレーザー印刷によって、マークを印刷し、かかるマークを観察した。
PT−110※1:商品名、板状の窒化ホウ素粒子、平均粒子径(光散乱法)45μm、モメンティブ・パフォーマンス・マテリアルズ・ジャパン社製
UHP−1※2:商品名:ショービーエヌUHP−1、板状の窒化ホウ素粒子、平均粒子径(光散乱法)9μm、昭和電工社製
エポキシ樹脂A※3:オグソールEG(商品名)、ビスアリールフルオレン型エポキシ樹脂、半固形状、エポキシ当量294g/eqiv.、軟化温度(環球法)47℃、溶融粘度(80℃)1360mPa・s、大阪ガスケミカル社製
エポキシ樹脂B※4:JER828(商品名)、ビスフェノールA型エポキシ樹脂、液状、エポキシ当量184〜194g/eqiv.、軟化温度(環球法)25℃未満、溶融粘度(80℃)70mPa・s、ジャパンエポキシレジン社製
エポキシ樹脂C※5:JER1002(商品名)、ビスフェノールA型エポキシ樹脂、固形状、エポキシ当量600〜700g/eqiv.、軟化温度(環球法)78℃、溶融粘度(80℃)10000mPa・s以上(測定限界以上)、ジャパンエポキシレジン社製
エポキシ樹脂D※6:EPPN−501HY(商品名)、トリフェニルメタン型エポキシ樹脂、固形状、エポキシ当量163〜175g/eqiv.、軟化温度(環球法)57〜63℃、日本化薬社製
硬化剤※7:キュアゾール2PZ(商品名、四国化成社製)の5質量%メチルエチルケトン溶液
硬化剤※8:キュアゾール2P4MHZ−PW(商品名、四国化成社製)の5質量%メチルエチルケトン分散液
ポリエチレン※9:低密度ポリエチレン、重量平均分子量(Mw)4000、数平均分子量(Mn)1700、Aldrich社製
2 撮像素子
3 熱伝導性シート
Claims (3)
- 光が入射される光入射面、および、前記光入射面の反対側に配置される裏面を備える撮像素子と、
前記裏面に設けられ、前記撮像素子から生じる熱を放熱するための熱伝導性シートとを備え、
前記熱伝導性シートは、板状の窒化ホウ素粒子を含有し、
前記熱伝導性シートの厚み方向に対する直交方向の熱伝導率が、4W/m・K以上であることを特徴とする、撮像部品。 - 前記撮像素子が、CMOSイメージセンサであることを特徴とする、請求項1に記載の撮像部品。
- 前記撮像素子が、裏面照射型CMOSイメージセンサであることを特徴とする、請求項1または2に記載の撮像部品。
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JP2011016927A JP2012049493A (ja) | 2010-01-29 | 2011-01-28 | 撮像部品 |
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JP2010172328 | 2010-07-30 | ||
JP2010172328 | 2010-07-30 | ||
JP2011016927A JP2012049493A (ja) | 2010-01-29 | 2011-01-28 | 撮像部品 |
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US11884039B2 (en) | 2017-05-10 | 2024-01-30 | Sekisui Chemical Co., Ltd. | Insulating sheet and laminate |
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- 2011-01-28 US US13/016,616 patent/US8547465B2/en not_active Expired - Fee Related
- 2011-01-30 CN CN201110034548.4A patent/CN102157538B/zh not_active Expired - Fee Related
- 2011-01-31 KR KR1020110009618A patent/KR20110089100A/ko active Search and Examination
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Also Published As
Publication number | Publication date |
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KR20110089100A (ko) | 2011-08-04 |
US8547465B2 (en) | 2013-10-01 |
CN102157538A (zh) | 2011-08-17 |
TW201142003A (en) | 2011-12-01 |
US20110261242A1 (en) | 2011-10-27 |
CN102157538B (zh) | 2015-04-15 |
TWI513810B (zh) | 2015-12-21 |
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