JP2007005778A - 半導体装置 - Google Patents
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- JP2007005778A JP2007005778A JP2006142206A JP2006142206A JP2007005778A JP 2007005778 A JP2007005778 A JP 2007005778A JP 2006142206 A JP2006142206 A JP 2006142206A JP 2006142206 A JP2006142206 A JP 2006142206A JP 2007005778 A JP2007005778 A JP 2007005778A
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Abstract
【解決手段】アンテナと、前記アンテナと並列に接続した容量とを含む共振回路を有し、前記容量は、第1の容量がx個(xは任意の自然数)、第2の容量がy個(yは任意の自然数)、第3の容量がz個(zは任意の自然数)、並列に接続してなり、前記第1の容量と前記第2の容量と前記第3の容量とは、それぞれ容量値が異なる。第1の容量と第2の容量と第3の容量とは、それぞれMIS容量であることが好ましい。また、第1の容量及び第2の容量及び第3の容量の少なくとも一は、複数の容量が並列に接続してなることが好ましい。
【選択図】図1
Description
式(2)において、Cは静電容量値、εSは比誘電率、ε0は真空中の誘電率、Sは面積、dは距離である。MIS容量のdは平行平板型容量1や平行平板型容量2等のdと比較すると短くすることが容易な為、MIS容量と平行平板型容量1や平行平板型容量2等とで容量Cの値を等しくする場合はMIS容量の方が面積Sを小さくすることができる。
本発明の一態様について図1〜3を用いて説明する。
本形態では、本発明の半導体装置の作製方法の一態様について図5〜8を用いて説明する。
本発明の半導体装置に設けられるトランジスタおよび容量の構造は、実施の形態2において説明した構造に限定されるものではない。本形態では、実施の形態2において説明した構造とは異なる構造のトランジスタ容量の態様について図13を参照して説明する。
上式(1)のLが4.592mH、Cが30pFとすると、fはほぼ所望の13.56MHzとなるような構成の半導体装置において、初期容量が50pFとなるように設けられている。
102 変調復調回路
103 演算回路
104 アンテナ
105 容量
Claims (6)
- アンテナと、前記アンテナと並列に接続した容量とを含む共振回路を有し、
前記容量は、複数の容量が並列に接続してなり、
前記複数の容量の少なくとも1つは、他の容量と容量値が異なり、
前記複数の容量から選ばれた少なくとも1つの容量を、前記共振回路の容量から電気的に分離することで、前記共振回路の容量の容量値を調節することを特徴とする半導体装置。 - 前記複数の容量は、それぞれMIS容量であることを特徴とする請求項1に記載の半導体装置。
- アンテナと、前記アンテナと並列に接続した容量とを含む共振回路を有し、
前記容量は、第1の容量がx個(xは任意の自然数)、第2の容量がy個(yは任意の自然数)、第3の容量がz個(zは任意の自然数)、並列に接続してなり、
前記第1の容量と前記第2の容量と前記第3の容量とは、それぞれ容量値が異なり、
x個の前記第1の容量、y個の前記第2の容量およびz個の前記第3の容量から選ばれた少なくとも1つの容量を、前記共振回路の容量から電気的に分離することで、前記共振回路の容量の容量値を調節することを特徴とする半導体装置。 - 前記第1の容量と前記第2の容量と前記第3の容量とは、それぞれMIS容量であることを特徴とする請求項3に記載の半導体装置。
- 前記第1の容量及び前記第2の容量及び前記第3の容量の少なくとも一は、複数の容量が並列に接続してなることを特徴とする請求項4に記載の半導体装置。
- アンテナと容量と第1及び第2の配線とを含む共振回路を有し、
前記容量は、複数の容量が並列に接続してなり、
前記複数の容量の少なくとも1つは、他の容量と容量値が異なり、
前記複数の容量は、それぞれ、半導体層と導電層との間に絶縁層を挟んでなり、
前記半導体層は、前記第1の配線を介して前記アンテナと電気的に接続し、
前記導電層は、前記第2の配線を介して前記アンテナと電気的に接続し、
前記複数の容量から選ばれた少なくとも1つの容量を、前記共振回路の容量から電気的に分離することで、前記共振回路の容量の容量値を調節することを特徴とする半導体装置。
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010109351A (ja) * | 2008-10-01 | 2010-05-13 | Semiconductor Energy Lab Co Ltd | 半導体装置 |
US8123137B2 (en) | 2008-09-29 | 2012-02-28 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
US8368209B2 (en) | 2009-09-17 | 2013-02-05 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
US8409890B2 (en) | 2008-10-16 | 2013-04-02 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and manufacturing method thereof |
US9177978B2 (en) | 2008-09-18 | 2015-11-03 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
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2006
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JPS63310160A (ja) * | 1987-06-12 | 1988-12-19 | Hitachi Ltd | レ−ザ−トリミング方法 |
JPH03136364A (ja) * | 1989-07-12 | 1991-06-11 | Texas Instr Deutschland Gmbh | トリミング回路及びトリミング法 |
Cited By (9)
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US9177978B2 (en) | 2008-09-18 | 2015-11-03 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
US10020296B2 (en) | 2008-09-18 | 2018-07-10 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
US11127732B2 (en) | 2008-09-18 | 2021-09-21 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
US8123137B2 (en) | 2008-09-29 | 2012-02-28 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
JP2010109351A (ja) * | 2008-10-01 | 2010-05-13 | Semiconductor Energy Lab Co Ltd | 半導体装置 |
US9196593B2 (en) | 2008-10-01 | 2015-11-24 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
KR101611643B1 (ko) * | 2008-10-01 | 2016-04-11 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 |
US8409890B2 (en) | 2008-10-16 | 2013-04-02 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and manufacturing method thereof |
US8368209B2 (en) | 2009-09-17 | 2013-02-05 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
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