JP2020092180A - 半導体装置および半導体装置の製造方法 - Google Patents
半導体装置および半導体装置の製造方法 Download PDFInfo
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- JP2020092180A JP2020092180A JP2018228965A JP2018228965A JP2020092180A JP 2020092180 A JP2020092180 A JP 2020092180A JP 2018228965 A JP2018228965 A JP 2018228965A JP 2018228965 A JP2018228965 A JP 2018228965A JP 2020092180 A JP2020092180 A JP 2020092180A
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Abstract
Description
図1は、実施の形態1に係る半導体装置100の断面図である。半導体装置100は、発電、送電、効率的なエネルギーの利用、エネルギーの再生等の分野において利用される。半導体装置100は、たとえば、家電用、産業用、自動車用、電車用等の電力用半導体装置である。
以下においては、半導体装置100の製造方法を、「製造方法Pr」ともいう。次に、製造方法Prについて説明する。図5は、実施の形態1に係る製造方法Prのフローチャートである。図5では、製造方法Prの複数の工程に含まれる、1つの特徴的な工程のみを示している。
以上説明したように、本実施の形態によれば、半導体装置100は、電気回路の構成要素としての半導体素子S1が存在する領域Rg1を囲むケースCs1を備える。領域Rg1に接する、ケースCs1の内側には、樹脂部品50が固定されている。樹脂部品50には、電気回路の一部である導電膜E2が設けられている。導電膜E2が領域Rg1に接触するように、当該導電膜E2は樹脂部品50に設けられている。
本変形例の構成は、実施の形態1の構成に適用される。図6は、変形例1の構成を説明するための図である。本変形例では、ケースCs1に埋もれている、樹脂部品50の一部は、ケースCs1の一部と固定される固定部を有する。当該固定部は、樹脂部品50の側面に設けられた溝V1である。すなわち、樹脂部品50の側面には、溝V1が設けられている。溝V1は、ケースCs1の局部Cs1xの一部と嵌合するように構成される。
本変形例の構成は、実施の形態1の構成に適用される。図7は、変形例2の構成を説明するための図である。本変形例では、ケースCs1に埋もれている、樹脂部品50の一部は、ケースCs1の一部と固定される別の固定部を有する。当該別の固定部は、樹脂部品50を貫通する貫通穴H1である。すなわち、樹脂部品50には、貫通穴H1が設けられている。貫通穴H1の内部には、ケースCs1の局部Cs1xの一部が充填されている。
本変形例の構成は、実施の形態1、および、変形例1,2の全てまたは一部に適用される。図8は、変形例3の構成を説明するための図である。なお、図8では、構成を分かりやすくするために、局部Cs1xについては、当該局部Cs1xの輪郭のみを示している。また、図8では、局部Cs1xに固定されている、電極E1の一部が示されている。
本変形例の構成は、実施の形態1、および、変形例1,2,3の全てまたは一部に適用される。図9は、変形例4の構成を有する樹脂部品50を示す平面図である。図9を参照して、樹脂部品50には、配線回路である2つの導電膜E2が設けられている。なお、樹脂部品50に設けられる導電膜E2の数は、3以上であってもよい。
本変形例の構成は、実施の形態1、および、変形例1,2,3,4の全てまたは一部に適用される。図10は、変形例5の構成を有する半導体装置100の一部の上面図である。なお、図10は、ケースCs1の局部Cs1xの周辺の構成を示す。
Claims (14)
- 電気回路の構成要素としての第1部材が少なくとも存在する領域を囲むケースを備え、
前記領域に接する、前記ケースの内側には、樹脂で構成された樹脂部品が固定されており、
前記樹脂部品には、前記電気回路の一部である導電膜が設けられており、
前記導電膜が前記領域に接触するように、当該導電膜は前記樹脂部品に設けられている
半導体装置。 - 前記樹脂部品の一部は、前記ケースに埋もれており、
前記樹脂部品の別の一部は、前記ケースから突出している
請求項1に記載の半導体装置。 - 前記ケースの内側には、電極が固定されており、
前記樹脂部品が前記電極をまたぐように、当該樹脂部品は配置されている
請求項2に記載の半導体装置。 - 前記樹脂部品の一部は、前記ケースに埋もれており、
前記ケースに埋もれている、前記樹脂部品の一部は、当該ケースの一部と固定される固定部を有する
請求項1から3のいずれか1項に記載の半導体装置。 - 前記固定部は、前記樹脂部品の側面に設けられた溝である
請求項4に記載の半導体装置。 - 前記固定部は、前記樹脂部品を貫通する貫通穴である
請求項4に記載の半導体装置。 - 前記樹脂部品には、複数の配線回路が設けられており、
各前記配線回路は、前記導電膜である
請求項1から6のいずれか1項に記載の半導体装置。 - 前記ケースの内側には、さらに、樹脂で構成された別の樹脂部品が固定されており、
前記別の樹脂部品には、別の導電膜が設けられており、
前記樹脂部品の前記導電膜は、ワイヤを介して、前記別の樹脂部品の前記別の導電膜と接続されている
請求項1から6のいずれか1項に記載の半導体装置。 - 前記導電膜は、はんだにより、前記電気回路の別の構成要素としての第2部材を接合するためのはんだ領域を有する
請求項1から8のいずれか1項に記載の半導体装置。 - 前記第1部材は、半導体素子であり、
前記導電膜は、ワイヤを介して、前記半導体素子と電気的に接続されている
請求項1から9のいずれか1項に記載の半導体装置。 - 前記半導体素子は、Si、SiCおよびGaNのいずれかで構成されている
請求項10に記載の半導体装置。 - 前記導電膜は、めっきであり、
前記めっきは、Cu、Ni、Ag、Au、Pd、SnおよびCrのいずれかで構成されている
請求項1から11のいずれか1項に記載の半導体装置。 - 前記樹脂部品は、PPS(Polyphenylenesulfide)、PC(Polycarbonate)、ABS(Acrylonitrile Butadiene Styrene)、PPA(Polyphthalamide)、PMMA(Polymethyl methacrylate)、PP(Polypropylene)、TPE(Thermoplastic Elastomers)、LCP(Liquid Crystal Polymer)、LDPE(Low Density Polyethylene)およびエラストマのいずれかで構成されている
請求項1から12のいずれか1項に記載の半導体装置。 - 半導体装置の製造方法であって、
前記半導体装置は、
電気回路の構成要素としての第1部材が少なくとも存在する領域を囲むケースを備え、
前記領域に接する、前記ケースの内側には、樹脂で構成された樹脂部品が固定されており、
前記樹脂部品には、前記電気回路の一部である導電膜が設けられており、
前記導電膜が前記領域に接触するように、当該導電膜は前記樹脂部品に設けられており、
前記ケースの内側には、さらに、電極が固定されており、
前記製造方法は、
インサート成型により、前記ケースの内側に前記樹脂部品および前記電極を固定する工程を含む
半導体装置の製造方法。
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