JP2011528852A - グラウンディングシステムおよび装置 - Google Patents
グラウンディングシステムおよび装置 Download PDFInfo
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- JP2011528852A JP2011528852A JP2011518793A JP2011518793A JP2011528852A JP 2011528852 A JP2011528852 A JP 2011528852A JP 2011518793 A JP2011518793 A JP 2011518793A JP 2011518793 A JP2011518793 A JP 2011518793A JP 2011528852 A JP2011528852 A JP 2011528852A
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- 239000004065 semiconductor Substances 0.000 claims abstract description 105
- 239000004020 conductor Substances 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 19
- 230000003071 parasitic effect Effects 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000012811 non-conductive material Substances 0.000 claims description 5
- 229910000679 solder Inorganic materials 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 230000005669 field effect Effects 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 4
- 229910052697 platinum Inorganic materials 0.000 claims 2
- 239000002826 coolant Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 10
- 239000003507 refrigerant Substances 0.000 description 8
- 239000012809 cooling fluid Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
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- 238000009423 ventilation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 230000009977 dual effect Effects 0.000 description 1
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- 239000011810 insulating material Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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Abstract
【選択図】図8
Description
[0001]本出願は、その内容を参考として引用し本明細書に含めた、2008年7月18日付けにて出願した、グラウンディングシステム及び装置(GROUNDING SYSTEM AND APPARATUS)という名称の米国仮特許出願第61/081,933号の優先権及び利益を主張するものである。
[0002] 本発明は、全体として、グラウンディングシステム(grounding system)に関するものである。本発明は、より具体的には、非伝導性のヒートシンクを有する半導体のパワー構成要素用のグラウンディングシステムに関する。
Claims (19)
- 半導体モジュール用のグラウンディングシステムにおいて、
前記半導体モジュールと電気的に接続することのできる第一の伝導層と、
第二の伝導層と、
前記第一の伝導層と前記第二の伝導層との間に配設された基層であって、前記第一の伝導層と前記第二の伝導層とに電気的に接続された前記基層と、
前記第二の伝導層と接続された基部であって、接地と電気的に接続され、また、前記第二の伝導層と電気的に接続された前記基部と、を備え、
前記第一の伝導層は、前記基層により前記第二の伝導層から電気的に絶縁されており、
前記第一の伝導層、前記基層及び前記第二の伝導層は、前記半導体モジュールと前記基部との間に静電容量経路を形成し、前記半導体モジュール内にて発生される寄生電流を減少させるようにした、半導体モジュール用のグラウンディングシステム。 - 請求項1に記載のシステムにおいて、前記半導体モジュールは、絶縁したゲートバイポーラトランジスタ(JGBT)と、バイポーラ接合トランジスタ(BJT)と、金属酸化物半導体電界効果トランジスタ(MOSFET)と、半導体制御整流器(SCR)と、その他の3端子半導体デバイスとから成る群から選ばれる、システム。
- 請求項1に記載のシステムにおいて、前記第一の伝導層及び前記第二の伝導層は、銅、アルミニウム、金、銀、白金及びそれらの合金から成る群から選んだ導電性金属にて形成される、システム。
- 請求項1に記載のシステムにおいて、前記第二の伝導層は、インターフェース端縁の一部分の周りにてはんだ接続部により前記基部に添着される、システム。
- 請求項1に記載のシステムにおいて、前記基層はセラミック材料から成る、システム。
- 請求項1に記載のシステムにおいて、前記基層は非伝導性材料から成る、システム。
- 請求項1に記載のシステムにおいて、前記基部は、一端にて前記基部に結合し且つ、他端にて接地に結合し又は、前記VSDシステム内のその他の適当な電圧基準点に結合した導体により接地に接続される、システム。
- パワー半導体装置において、
半導体モジュールと、基部に取り付けた関連する制御回路と、
前記基部と熱的に連通し且つ液体源と流体的に連通した非伝導性のヒートシンクと、
グラウンディング組立体を更に含み、該グラウンディング組立体は、
第一の伝導層と、第二の伝導層と、前記第一の伝導層と前記第二の伝導層との間に配設された基層と、前記第二の伝導層に装着した基部であって、接地に接続された前記基部とを含み、
前記第一の伝導層は、半導体モジュール及び基層と電気的に接触し且つ、前記基層により前記第二の伝導層から電気的に絶縁されており、
前記第二の伝導層は、前記基層と電気的に接触し且つ、前記基層と接地と電気的に連通した前記基部との間に配設されており、
前記第一の伝導層、前記基層及び前記第二の伝導層は、前記半導体モジュールと前記基部との間に静電容量経路を形成し、循環する電流を減少させるようにした、パワー半導体装置。 - 請求項8に記載の装置において、前記ヒートシンクは、
前記半導体モジュールを受け入れる形態とされた表面を有する本体と、
前記基部の前記表面に配設したタブと、
前記基部に形成され且つ、該基部を通して液体を受け入れる形態とされた通路と、を更に備え、
前記通路を通る前記液体の流れの一部分は、前記基部と熱的に連通した前記タブを介して偏向され熱を前記半導体スイッチから液体冷却剤に伝達するようにした、装置。 - 請求項8に記載の装置において、前記半導体モジュールは、絶縁したゲートバイポーラトランジスタである、装置。
- 請求項8に記載の装置において、前記第一の伝導層及び前記第二の伝導層は、電導性金属から成る、装置。
- 請求項11に記載の装置において、前記金属は、銅、アルミニウム、金、銀、白金及びそれらの合金から成る群から選ばれる、装置。
- 請求項8に記載の装置において、前記第二の伝導層ははんだ接続部により前記基部に添着される、装置。
- 請求項8に記載の装置において、前記基層はセラミック材料から成る、装置。
- 請求項8に記載の装置において、前記基層は非伝導性材料から成る、装置。
- 請求項8に記載の装置において、前記基部は導体により接地と接続される、装置。
- 可変速度駆動装置において、
AC電源と接続したコンバータと、
該コンバータスと接続されたDCリンクと、
該DCリンクと接続したインバータであって、DCリンクからの直流電圧を可変電圧及び可変周波数を有する出力交流電力に変換する形態とされた前記インバータと、を備え、該インバータは、
少なくとも1つの半導体モジュールと、基部に取り付けた関連した制御回路と、
前記基部と熱的に連通する状態にあり且つ、液体源と流体的に連通する状態にある非伝導性のヒートシンクと、
グラウンディング組立体とを更に備え、該グラウンディング組立体は、
半導体モジュールと電気的に接続することのできる第一の伝導層と、
第二の伝導層と、
前記第一の伝導層と前記第二の伝導層との間に配設された基層であって、前記第一の伝導層及び前記第二の伝導層と電気的に接続された前記基層と、前記第二の伝導層と電気的に接続された基部であって、接地と電気的に接続され且つ、前記第二の伝導層と電気的に接続された前記基部と、を備え、
前記第一の伝導層は、前記基層により前記第二の伝導層から電気的に絶縁されており、
前記第一の伝導層、前記基層及び前記第二の伝導層は、前記半導体モジュールと前記基部との間にて静電容量経路を形成し、半導体モジュール内の循環する電流を減少させるようにした、可変速度駆動装置。 - 請求項17に記載のシステムにおいて、前記半導体モジュールは絶縁したゲートバイポーラトランジスタである、装置。
- 請求項17に記載のシステムにおいて、前記第二の伝導層ははんだ接続部により前記基部に添着される、システム。
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US8735955B2 (en) | 2014-05-27 |
WO2010008974A1 (en) | 2010-01-21 |
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