JP2020129610A - 半導体モジュールの外部接続部、半導体モジュール、外部接続端子、および半導体モジュールの外部接続端子の製造方法 - Google Patents
半導体モジュールの外部接続部、半導体モジュール、外部接続端子、および半導体モジュールの外部接続端子の製造方法 Download PDFInfo
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/50—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor for integrated circuit devices, e.g. power bus, number of leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/07—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L29/00
- H01L25/072—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L29/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/02—Containers; Seals
- H01L23/04—Containers; Seals characterised by the shape of the container or parts, e.g. caps, walls
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/34—Conductive members located under head of screw
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/4911—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain
- H01L2224/49113—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain the connectors connecting different bonding areas on the semiconductor or solid-state body to a common bonding area outside the body, e.g. converging wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3735—Laminates or multilayers, e.g. direct bond copper ceramic substrates
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
[先行技術文献]
[特許文献]
[特許文献1] 特開平9−45831号公報
Claims (15)
- 半導体モジュールの外部接続部であって、
上面および下面を有する導体と、
前記導体の前記上面を覆うメッキ層と、 前記導体の前記下面側に設けられ、前記導体を貫通するネジを受け入れるためのナットと、を備え、
前記メッキ層は、上面視において、前記ナットの設けられた領域と重複する低接触抵抗領域と、前記低接触抵抗領域以外の領域である高接触抵抗領域とを有し、
前記メッキ層は、前記高接触抵抗領域において、表面に凸部および凹部を有する、
外部接続部。 - 前記凸部の頂面から前記凹部の底面までの深さは、1.5μm以上、2.5μm以下である、請求項1に記載の外部接続部。
- 前記凸部は、20μm以上1mm以下の幅を有する、請求項2に記載の外部接続部。
- 前記凸部は、上面視において、四辺形の形状を有する、請求項1から3のいずれか一項に記載の外部接続部。
- 前記凸部は、上面視において、円形の形状を有する、請求項1から3のいずれか一項に記載の外部接続部。
- 前記凹部は、20μm以上1mm以下の幅を有する、請求項2または3に記載の外部接続部。
- 前記メッキ層は、ニッケルを含む、請求項1から4のいずれか一項に記載の外部接続部。
- 前記メッキ層は、前記低接触抵抗領域において、表面に前記凸部および前記凹部を有しない、請求項1から5のいずれか一項に記載の外部接続部。
- 前記高接触抵抗領域において、前記メッキ層の表面から前記導体の前記上面までの深さは、前記低接触抵抗領域における深さと同一である、請求項1から6のいずれか一項に記載の外部接続部。
- 前記高接触抵抗領域において、前記メッキ層の表面から前記導体の前記上面までの深さは、前記低接触抵抗領域における深さより深い、請求項1から6のいずれか一項に記載の外部接続部。
- 前記導体と前記メッキ層との間に設けられたパターン層を有する、請求項1から10のいずれか一項に記載の外部接続部。
- 前記導体と前記メッキ層との間にパターン層を有しない、請求項1から10のいずれか一項に記載の外部接続部。
- 請求項1から12のいずれか一項に記載の外部接続部と、
筐体と、
前記筐体に収容された絶縁基板と、
前記外部接続部に電気的に接続され、前記絶縁基板の上方に設けられた半導体チップと、を備える半導体モジュール。 - 半導体モジュールの外部接続端子であって、
上面および下面を有する導体と、
前記導体の前記上面を覆うメッキ層と、
前記導体および前記メッキ層を貫通して設けられたネジ穴と、を備え、
前記メッキ層は、上面視において、前記ネジ穴の周りを取り囲む低接触抵抗領域と、前記低接触抵抗領域を取り囲む高接触抵抗領域とを有し、
前記メッキ層は、前記高接触抵抗領域において、表面に凸部および凹部を有する、
外部接続端子。 - 上面及び下面を有する導体を提供する段階と、
前記導体の前記上面をメッキ層で覆う段階と、
前記メッキ層の表面の予め定められた領域にパターン層を提供する段階と、
前記パターン層をマスクとして用いて、前記メッキ層に逆スパッタリングを行う段階と、を備える、半導体モジュールの外部接続端子の製造方法。
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JP2019021711A JP7354550B2 (ja) | 2019-02-08 | 2019-02-08 | 半導体モジュールの外部接続部、半導体モジュール、外部接続端子、および半導体モジュールの外部接続端子の製造方法 |
US16/735,696 US11315867B2 (en) | 2019-02-08 | 2020-01-07 | External connection part of semiconductor module, semiconductor module, external connection terminal, and manufacturing method of external connection terminal of semiconductor module |
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