JP6636502B2 - 相補型金属酸化膜半導体(cmos)ウェーハにおける超音波トランスデューサ並びに関連装置及び方法 - Google Patents
相補型金属酸化膜半導体(cmos)ウェーハにおける超音波トランスデューサ並びに関連装置及び方法 Download PDFInfo
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- Micromachines (AREA)
Description
[0001] 本願は、代理人整理番号B1348.70010US00に基づく2014年4月18日出願の「ULTRASONIC TRANSDUCERS IN COMPLEMENTARY METAL OXIDE SEMICONDUCTOR (CMOS) WAFERS AND RELATED APPARATUS AND METHODS」と題された米国仮特許出願シリアル番号61/981,464号における米国特許法第119条(e)に基づく利益を主張し、全体が参照として本明細書に組み込まれる。
Claims (12)
- 相補型金属酸化膜半導体(CMOS)ウェーハであって、
半導体基板と、
超音波トランスデューサであって、
前記CMOSウェーハの第1金属化層の部分的除去により作成された空洞、
前記空洞と前記半導体基板との間に配された電極、及び
前記CMOSウェーハの誘電層と第2金属化層とを備えた音響膜であって、前記空洞が前記半導体基板と前記音響膜との間に配されるようにする音響膜を備える超音波トランスデューサと、
前記超音波トランスデューサと連結され、前記超音波トランスデューサの動作を制御するように構成された、前記半導体基板内の集積回路とを備え、
前記空洞と前記半導体基板との間に配された前記電極は、前記超音波トランスデューサの第1電極であり、前記超音波トランスデューサはさらに、前記第1電極と反対側に配される第2電極を備え、前記第2電極は、前記空洞と前記第2金属化層との間の前記音響膜内に配される、
CMOSウェーハ。 - 前記空洞と前記半導体基板との間に配された前記電極は、前記部分的に除去された第1金属化層のライナ層を備える、請求項1に記載のCMOSウェーハ。
- 前記音響膜は、1つ以上の導電性ビアを備える、請求項1に記載のCMOSウェーハ。
- 前記音響膜の前記1つ以上の導電性ビアのうちの少なくとも1つは、前記第2電極に電気的に接続される、請求項3に記載のCMOSウェーハ。
- 前記音響膜の少なくとも一部を通って前記空洞まで通過する少なくとも1つの充填アクセス穴をさらに備える、請求項1に記載のCMOSウェーハ。
- 前記超音波トランスデューサを含む複数の超音波トランスデューサを備える、請求項1に記載のCMOSウェーハ。
- 前記第2金属化層は、前記音響膜の前記誘電層に組み込まれる、請求項1に記載のCMOSウェーハ。
- 前記音響膜を通過しないよう配置される少なくとも1つの穴をさらに備える、請求項1に記載のCMOSウェーハ。
- 相補型金属酸化膜半導体(CMOS)ウェーハであって、
半導体基板と、
超音波トランスデューサであって、
前記CMOSウェーハの第1金属化層の部分的な除去により作成された空洞、
前記空洞と前記半導体基板との間に配された電極、及び
前記CMOSウェーハの誘電層と第2金属化層とを備えた音響膜であって、前記空洞が前記半導体基板と前記音響膜との間に配されるようにする音響膜を備える超音波トランスデューサと、
前記超音波トランスデューサと連結され、前記超音波トランスデューサの動作を制御するように構成された、前記半導体基板内の集積回路とを備え、
前記空洞と前記半導体基板との間に配された前記電極は、前記超音波トランスデューサの底部電極であり、前記超音波トランスデューサはさらに、前記空洞と前記第2金属化層との間の前記音響膜内に配された上部電極を備え、前記空洞が前記底部電極と前記上部電極との間に配されるようにし、前記底部電極及び前記上部電極は、前記部分的に除去された第1金属化層のライナ層を備える、
CMOSウェーハ。 - 相補型金属酸化膜半導体(CMOS)ウェーハであって、
半導体基板と、
第1金属化層と、
前記第1金属化層内に形成された空洞と、前記空洞と前記半導体基板との間に配され、かつ前記第1金属化層の第1部分を備える第1電極と、を備えた超音波トランスデューサと、
誘電層、第2電極、及び第2金属化層を備えた音響膜であって、前記空洞が前記半導体基板と前記音響膜との間に配され、前記第2電極が、前記第1金属化層の第2部分を備え、かつ前記空洞と前記第2金属化層との間に配される、音響膜と、
前記超音波トランスデューサと連結され、前記超音波トランスデューサの動作を制御するように構成された、前記半導体基板内の集積回路と、を備える
CMOSウェーハ。 - 前記第1金属化層は、前記基板の周辺領域において電気信号を送信するように構成された、請求項10に記載の相補型金属酸化膜半導体(CMOS)ウェーハ。
- 前記第1金属化層には、複数の空洞が形成され、各空洞は、異なる超音波トランスデューサに対応する、請求項10に記載の相補型金属酸化膜半導体(CMOS)ウェーハ。
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US61/981,464 | 2014-04-18 | ||
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JP2017516428A (ja) | 2017-06-15 |
CA2946133A1 (en) | 2015-10-22 |
US20180130795A1 (en) | 2018-05-10 |
AU2015247484B2 (en) | 2020-05-14 |
TWI708368B (zh) | 2020-10-21 |
EP3132470A1 (en) | 2017-02-22 |
WO2015161147A1 (en) | 2015-10-22 |
US9899371B2 (en) | 2018-02-20 |
KR102237662B1 (ko) | 2021-04-09 |
TWI661534B (zh) | 2019-06-01 |
US10707201B2 (en) | 2020-07-07 |
KR20160143844A (ko) | 2016-12-14 |
US20160379973A1 (en) | 2016-12-29 |
EP3132470B1 (en) | 2019-02-06 |
TW201921646A (zh) | 2019-06-01 |
US20150298170A1 (en) | 2015-10-22 |
US10177139B2 (en) | 2019-01-08 |
CN106659464A (zh) | 2017-05-10 |
CN106659464B (zh) | 2020-03-20 |
AU2015247484A1 (en) | 2016-11-10 |
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