JP6550140B2 - アンダーフィル収容キャビティを伴う半導体デバイス・アセンブリ - Google Patents
アンダーフィル収容キャビティを伴う半導体デバイス・アセンブリ Download PDFInfo
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- JP6550140B2 JP6550140B2 JP2017544901A JP2017544901A JP6550140B2 JP 6550140 B2 JP6550140 B2 JP 6550140B2 JP 2017544901 A JP2017544901 A JP 2017544901A JP 2017544901 A JP2017544901 A JP 2017544901A JP 6550140 B2 JP6550140 B2 JP 6550140B2
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- semiconductor
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- semiconductor device
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- 239000010949 copper Substances 0.000 description 5
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Classifications
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- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
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- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
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- H01L2225/03—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00
- H01L2225/04—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices not having separate containers
- H01L2225/065—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices not having separate containers the devices being of a type provided for in group H01L27/00
- H01L2225/06503—Stacked arrangements of devices
- H01L2225/06582—Housing for the assembly, e.g. chip scale package [CSP]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2225/00—Details relating to assemblies covered by the group H01L25/00 but not provided for in its subgroups
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- H01L2225/04—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices not having separate containers
- H01L2225/065—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices not having separate containers the devices being of a type provided for in group H01L27/00
- H01L2225/06503—Stacked arrangements of devices
- H01L2225/06589—Thermal management, e.g. cooling
-
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
-
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
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- H01L2924/14—Integrated circuits
- H01L2924/143—Digital devices
- H01L2924/1431—Logic devices
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- H01L2924/10—Details of semiconductor or other solid state devices to be connected
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- H01L2924/14—Integrated circuits
- H01L2924/143—Digital devices
- H01L2924/1434—Memory
-
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/161—Cap
- H01L2924/162—Disposition
- H01L2924/16235—Connecting to a semiconductor or solid-state bodies, i.e. cap-to-chip
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Description
Claims (36)
- 基板材料から形成されたベース領域、前記ベース領域に沿った陥凹面、前記基板材料から形成され、前記ベース領域から突き出た周辺領域、および前記周辺領域に沿った側壁面を有する第1の半導体ダイであって、前記陥凹面と前記側壁面とが、前記周辺領域内にキャビティを画定する、第1の半導体ダイと、
前記キャビティに少なくとも部分的に入った複数の第2の半導体ダイからなるスタックと、
前記第1の半導体ダイの前記周辺領域に取り付けられた熱伝達構造体と、
前記キャビティを少なくとも部分的に充填し、前記周辺領域と前記複数の第2の半導体ダイからなるスタックとの間にフィレットを含むアンダーフィル材料と
を備える半導体デバイス・アセンブリ。 - 前記側壁面が、内側を向いて、前記複数の第2の半導体ダイからなるスタックに面し、
前記側壁面が、露出される部分を含む、
請求項1に記載の半導体デバイス・アセンブリ。 - 前記フィレットが、前記側壁面と前記複数の第2の半導体ダイからなるスタックとの間の第1の部分、および、前記熱伝達構造体と前記複数の第2の半導体ダイからなるスタックとの間の第2の部分を含む、
請求項2に記載の半導体デバイス・アセンブリ。 - 前記側壁面が、内側を向いて、前記複数の第2の半導体ダイからなるスタックに面し、
前記熱伝達構造体が、前記側壁面と概ね同一平面状に存在する内面を含む、
請求項1に記載の半導体デバイス・アセンブリ。 - 前記側壁面が、前記複数の第2の半導体ダイからなるスタックを向いた第1の側壁面を画定し、前記第1の半導体ダイが、0度以外の角度で、前記第1の側壁面から離れるように延びる第2の側壁面を更に含み、
前記アンダーフィル材料が、前記第1の側壁面および前記第2の側壁面を少なくとも部分的に覆う、
請求項1に記載の半導体デバイス・アセンブリ。 - 前記熱伝達構造体が、凹部を画定する第1の壁部分および第2の壁部分を含み、
前記複数の第2の半導体ダイのうちの少なくとも1つが、前記凹部内に配置される、
請求項1に記載の半導体デバイス・アセンブリ。 - 前記第1の半導体ダイが、前記ベース領域を貫通して延びる複数のシリコン貫通ビアを含み、
前記複数のシリコン貫通ビアが、前記複数の第2の半導体ダイからなるスタックに電気的に結合される、
請求項1に記載の半導体デバイス・アセンブリ。 - 前記第1の半導体ダイが、集積回路を含む、
請求項1に記載の半導体デバイス・アセンブリ。 - 前記集積回路が、前記周辺領域に少なくとも部分的に入るように配置される、
請求項8に記載の半導体デバイス・アセンブリ。 - 前記集積回路が、論理回路であり、
前記複数の第2の半導体ダイが、複数のメモリ・ダイである、
請求項8に記載の半導体デバイス・アセンブリ。 - 前記キャビティが、最低でも200μmの深さを有する、
請求項1に記載の半導体デバイス・アセンブリ。 - 前記複数の第2の半導体ダイがそれぞれ、約50〜約200μmの範囲内の厚さを有する、
請求項11に記載の半導体デバイス・アセンブリ。 - 前記キャビティが、最低でも300μmの深さを有する、
請求項1に記載の半導体デバイス・アセンブリ。 - 前記複数の第2の半導体ダイからなるスタックが、前記キャビティ内の少なくとも2つの半導体ダイを含む、
請求項1に記載の半導体デバイス・アセンブリ。 - キャビティを有する論理ダイと、
前記キャビティ内の第1のメモリ・ダイと、
前記論理ダイに取り付けられた熱伝達構造体と、
前記第1のメモリ・ダイ上の第2のメモリ・ダイと、
前記第1のメモリ・ダイと前記第2のメモリ・ダイとの間にあり、前記キャビティを少なくとも部分的に充填するアンダーフィル材料と
を備える半導体デバイス・アセンブリ。 - 前記第1のメモリ・ダイの下方にあり、前記論理ダイを貫通して延びる複数のシリコン貫通ビアを更に備える、
請求項15に記載の半導体デバイス・アセンブリ。 - 前記論理ダイが、前記熱伝達構造体に隣接し、ある隙間分だけ前記第1のメモリ・ダイから分離された側壁面を含み、
前記アンダーフィル材料が、前記隙間に少なくとも入ったフィレットを含む、
請求項15に記載の半導体デバイス・アセンブリ。 - 前記熱伝達構造体が、前記第2のメモリ・ダイに取り付けられる、
請求項15に記載の半導体デバイス・アセンブリ。 - 前記熱伝達構造体が、前記アンダーフィル材料に接触しない、
請求項15に記載の半導体デバイス・アセンブリ。 - 前記論理ダイが、
前記キャビティに隣接し、前記熱伝達構造体に取り付けられた周辺領域、および
前記周辺領域内に少なくとも部分的に入って配置された集積回路構成部品
を含む、
請求項15に記載の半導体デバイス・アセンブリ。 - 前記集積回路構成部品が、シリアライザ/デシリアライザ回路を含む、
請求項20に記載の半導体デバイス・アセンブリ。 - 半導体デバイス・アセンブリを形成する方法であって、
半導体基板内にキャビティを形成することと、
前記キャビティ内の陥凹面に複数の半導体ダイからなるスタックを取り付けることと、
前記複数の半導体ダイからなるスタックの個別の半導体ダイ同士の間にアンダーフィル材料を堆積させることと、
前記複数の半導体ダイからなるスタックと、前記キャビティに隣接する、前記半導体基板の周辺領域との間に余分なアンダーフィル材料を蓄積することと、
前記周辺領域に熱伝達構造体を取り付けることと
を含む方法。 - 前記アンダーフィル材料を堆積させることが、前記個別の半導体ダイ同士の間に前記アンダーフィル材料を注入することを含む、
請求項22に記載の方法。 - 前記熱伝達構造体を前記複数の半導体ダイからなるスタックに取り付けることを更に含む、
請求項22に記載の方法。 - 前記キャビティを形成することが、前記半導体基板に最低でも200μmの深さで孔をエッチングすることを含む、
請求項22に記載の方法。 - 前記半導体基板に厚さ300μm以下になるようにシニングを行うことを更に含む、
請求項25に記載の方法。 - 前記キャビティを形成することが、前記半導体基板に最低でも300μmの深さで孔をエッチングすることを含む、
請求項22に記載の方法。 - 前記キャビティを形成することが、前記キャビティの底で複数のシリコン貫通ビア(TSV)を露出するように、前記半導体基板に孔をエッチングすることを含み、
前記複数の半導体ダイからなるスタックを取り付けることが、前記複数の半導体ダイのうち前記スタック内で一番下にある半導体ダイのボンド・パッドを、前記TSVにつなぐことを含む、
請求項22に記載の方法。 - 前記半導体基板が、集積回路を含む、
請求項22に記載の方法。 - 前記熱伝達構造体を取り付けることが、前記複数の半導体ダイのうちの少なくとも1つの半導体ダイを、前記熱伝達構造体の凹部内に配置することを含む、
請求項22に記載の方法。 - 半導体デバイス・アセンブリを形成する方法であって、
論理ダイのキャビティ内に少なくとも部分的に入るように、複数のメモリ・ダイからなるスタックを配置することと、
前記キャビティをアンダーフィル材料で少なくとも部分的に充填することと、
前記複数のメモリ・ダイのうちの少なくとも1つのメモリ・ダイを、熱伝達構造体の凹部内に配置することと、
前記熱伝達構造体を、前記キャビティに隣接する、前記論理ダイの周辺領域に取り付け
ることと
を含む方法。 - 前記キャビティを前記アンダーフィル材料で少なくとも部分的に充填することが、前記複数のメモリ・ダイからなるスタックと前記周辺領域との隙間に余分なアンダーフィル材料を流すことを含む、
請求項31に記載の方法。 - 前記キャビティの底で、前記複数のメモリ・ダイからなるスタックを複数のシリコン貫通ビアに電気的に結合することを更に含む、
請求項31に記載の方法。 - 前記熱伝達構造体を、前記複数のメモリ・ダイのうちの前記少なくとも1つのメモリ・ダイに取り付けることを更に含む、
請求項31に記載の方法。 - 前記論理ダイが、前記周辺領域に少なくとも部分的に入って配置された集積回路構成部品を含む、
請求項31に記載の方法。 - 前記集積回路構成部品が、シリアライザ/デシリアライザ回路を含む、
請求項35に記載の方法。
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TWI680543B (zh) | 2019-12-21 |
EP3266042A4 (en) | 2018-12-12 |
CN107408546A (zh) | 2017-11-28 |
US9397078B1 (en) | 2016-07-19 |
CN107408546B (zh) | 2020-03-10 |
EP3266042A1 (en) | 2018-01-10 |
WO2016140865A1 (en) | 2016-09-09 |
KR101996161B1 (ko) | 2019-10-01 |
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