JP5182367B2 - 多層セラミック基板およびその製造方法 - Google Patents
多層セラミック基板およびその製造方法 Download PDFInfo
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- JP5182367B2 JP5182367B2 JP2010511935A JP2010511935A JP5182367B2 JP 5182367 B2 JP5182367 B2 JP 5182367B2 JP 2010511935 A JP2010511935 A JP 2010511935A JP 2010511935 A JP2010511935 A JP 2010511935A JP 5182367 B2 JP5182367 B2 JP 5182367B2
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- layer
- thermal expansion
- expansion coefficient
- low thermal
- ceramic
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- H05K3/4611—Manufacturing multilayer circuits by laminating two or more circuit boards
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- H05K3/462—Manufacturing multilayer circuits by laminating two or more circuit boards the electrical connections between the circuit boards being made during lamination characterized by laminating only or mainly similar double-sided circuit boards
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4697—Manufacturing multilayer circuits having cavities, e.g. for mounting components
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/901—Printed circuit
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24322—Composite web or sheet
- Y10T428/24331—Composite web or sheet including nonapertured component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24851—Intermediate layer is discontinuous or differential
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24926—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including ceramic, glass, porcelain or quartz layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
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- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
Description
2a,2b セラミック層
3 キャビティ
4 底壁部
5 周壁部
6 第1の高熱膨張係数層
7 第1の低熱膨張係数層
8 第2の低熱膨張係数層
9 第2の高熱膨張係数層
10 第3の低熱膨張係数層
11 第1の層間拘束層
12,12a 第2の層間拘束層
41,41a 複合積層体
42 生の積層体
43,44 外側拘束層
46 第1の高熱膨張係数グリーン層
47 第1の低熱膨張係数グリーン層
48 第2の低熱膨張係数グリーン層
49 第2の高熱膨張係数グリーン層
50 第3の低熱膨張係数グリーン層
Claims (7)
- キャビティ形成用貫通孔を有する第1のセラミック層からなる周壁部と、前記キャビティ形成用貫通孔を有しない第2のセラミック層からなる底壁部とを有する、キャビティ付きの、多層セラミック基板であって、
前記底壁部には、前記第2のセラミック層として、熱膨張係数が相対的に高い高熱膨張係数層および熱膨張係数が相対的に低い低熱膨張係数層を含む、少なくとも2種類のセラミック層が配置され、かつ前記高熱膨張係数層の少なくとも一部が第1および第2の前記低熱膨張係数層に挟まれる積層構造が形成されており、
前記底壁部の外方に向く面が前記第1の低熱膨張係数層によって与えられ、前記底壁部の、前記周壁部と接する面が前記第2の低熱膨張係数層によって与えられ、
前記底壁部は、前記第2のセラミック層として、前記第2の低熱膨張係数層に接触する状態で配置される第1の層間拘束層をさらに備え、前記第1の層間拘束層は、前記低熱膨張係数層に含まれるセラミック材料を焼結させ得る焼成条件では実質的に焼結しない無機材料粉末を含みかつ前記低熱膨張係数層に含まれていた材料の浸透によって前記無機材料粉末が固化された状態にある、
多層セラミック基板。 - 前記周壁部には、前記第2の低熱膨張係数層より高い熱膨張係数を有する高熱膨張係数層が配置されるとともに、その最外層には、熱膨張係数が相対的に低い第3の低熱膨張係数層が配置されている、請求項1に記載の多層セラミック基板。
- 前記周壁部は、前記第1のセラミック層として、当該周壁部の、前記底壁部と接する面に沿って配置される第2の層間拘束層をさらに備え、前記第2の層間拘束層は、前記低熱膨張係数層に含まれるセラミック材料を焼結させ得る焼成条件では実質的に焼結しない無機材料粉末を含みかつ前記低熱膨張係数層に含まれていた材料の浸透によって前記無機材料粉末が固化された状態にある、請求項1または2に記載の多層セラミック基板。
- 前記第2の層間拘束層が有する前記キャビティ形成用貫通孔を規定する内周縁は、前記周壁部の、前記第2の層間拘束層に接する前記第1のセラミック層が有する前記キャビティ形成用貫通孔を規定する内周縁よりも外側に位置せず、かつ、その少なくとも一部は、前記周壁部の、前記第2の層間拘束層に接する前記第1のセラミック層が有する前記キャビティ形成用貫通孔を規定する内周縁よりも内側に位置している、請求項3に記載の多層セラミック基板。
- キャビティ形成用貫通孔を有する第1のセラミック層からなる周壁部と、前記キャビティ形成用貫通孔を有しない第2のセラミック層からなる底壁部とを有し、前記底壁部には、前記第2のセラミック層として、熱膨張係数が相対的に高い高熱膨張係数層および熱膨張係数が相対的に低い低熱膨張係数層を含む、少なくとも2種類のセラミック層が配置され、かつ前記高熱膨張係数層の少なくとも一部が第1および第2の前記低熱膨張係数層に挟まれる積層構造が形成されており、前記底壁部の外方に向く面が前記第1の低熱膨張係数層によって与えられ、前記底壁部の、前記周壁部と接する面が前記第2の低熱膨張係数層によって与えられ、前記底壁部は、前記第2のセラミック層として、前記第2の低熱膨張係数層に接触する状態で配置される第1の層間拘束層をさらに備え、前記第1の層間拘束層は、前記低熱膨張係数層に含まれるセラミック材料を焼結させ得る焼成条件では実質的に焼結しない無機材料粉末を含みかつ前記低熱膨張係数層に含まれていた材料の浸透によって前記無機材料粉末が固化された状態にある、キャビティ付きの、多層セラミック基板を製造する方法であって、
焼成することによって前記第1のセラミック層となるべきものであり、低温焼結セラミック材料を含み、前記キャビティ形成用貫通孔を有する第1のセラミックグリーン層を準備する工程と、
焼成することによって前記第2のセラミック層となるべき第2のセラミックグリーン層として、それぞれ低温焼結セラミック材料を含む、前記高熱膨張係数層となるべき高熱膨張係数グリーン層と前記第1の低熱膨張係数層となるべき第1の低熱膨張係数グリーン層と前記第2の低熱膨張係数層となるべき第2の低熱膨張係数グリーン層とを準備する工程と、
前記第1のセラミックグリーン層と前記第2のセラミックグリーン層とを積層してなる、生の積層体と、前記生の積層体の両主面上に配置され、前記低温焼結セラミック材料を焼結させ得る焼成条件では実質的に焼結しない無機材料粉末を含む、外側拘束層とを備え、前記生の積層体は、前記第2のセラミックグリーン層として、前記第2の低熱膨張係数グリーン層に接触する状態で配置される第1の層間拘束層をさらに備える、複合積層体を作製する工程と、
前記複合積層体を前記低温焼結セラミック材料が焼結する焼成条件で焼成する焼成工程と、
次いで、前記複合積層体から前記外側拘束層を除去する工程と
を備え、
前記焼成工程の結果、前記第1の層間拘束層は、前記低熱膨張係数グリーン層に含まれていた材料の浸透によって前記無機材料粉末が固化された状態になる、
多層セラミック基板の製造方法。 - 前記生の積層体は、前記第1のセラミックグリーン層として、前記多層セラミック基板における前記周壁部の、前記底壁部と接する面に沿って配置される第2の層間拘束層をさらに備え、前記第2の層間拘束層は、前記低熱膨張係数層に含まれるセラミック材料を焼結させ得る焼成条件では実質的に焼結しない無機材料粉末を含み、前記焼成工程の結果、前記低熱膨張係数層に含まれていた材料の浸透によって前記無機材料粉末が固化された状態になる、請求項5に記載の多層セラミック基板の製造方法。
- 前記生の積層体において、前記第2の層間拘束層が有する前記キャビティ形成用貫通孔は、前記周壁部の、前記第2の層間拘束層に接する前記第1のセラミックグリーン層が有する前記キャビティ形成用貫通孔よりも小さくされる、請求項6に記載の多層セラミック基板の製造方法。
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JP5846187B2 (ja) * | 2013-12-05 | 2016-01-20 | 株式会社村田製作所 | 部品内蔵モジュール |
US20150289365A1 (en) * | 2014-04-08 | 2015-10-08 | Apple Inc. | Circuit Carrier With Interior Plating Lines and Peripheral Shielding |
EP3361841B1 (en) * | 2015-10-09 | 2020-07-01 | Hitachi Metals, Ltd. | Method for manufacturing multilayer ceramic substrate |
FR3042647B1 (fr) * | 2015-10-20 | 2017-12-01 | Soitec Silicon On Insulator | Structure composite et procede de fabrication associe |
JP7296784B2 (ja) * | 2019-05-29 | 2023-06-23 | 日本特殊陶業株式会社 | 電気検査用基板 |
CN111892350B (zh) * | 2020-07-03 | 2022-04-15 | 大连大学 | 一种提升水泥砂浆、混凝土抗折强度的方法 |
CN112321163B (zh) * | 2020-10-28 | 2021-06-15 | 中国科学院上海硅酸盐研究所 | 一种高强度ltcc基板材料及其制备方法 |
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WO2009139272A1 (ja) | 2009-11-19 |
US20110045242A1 (en) | 2011-02-24 |
US20140361470A1 (en) | 2014-12-11 |
CN104589738A (zh) | 2015-05-06 |
US8993105B2 (en) | 2015-03-31 |
CN102027813A (zh) | 2011-04-20 |
JPWO2009139272A1 (ja) | 2011-09-15 |
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