JP2010507914A - 半導体装置及び接続リード線を有する半導体装置の設計方法 - Google Patents
半導体装置及び接続リード線を有する半導体装置の設計方法 Download PDFInfo
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- 102220499010 Ankyrin repeat domain-containing protein 33B_S71R_mutation Human genes 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
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- 238000009792 diffusion process Methods 0.000 description 2
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
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Abstract
【選択図】図2A
Description
2、2’、2’’ 半導体領域
3、3’、3’’ 接触領域
20 供給線
21、21’、21’’、21’’’、21’’’’ 接続リード線
22 辺
23、23’ ビア
24 主方向
30 ゲート電極
31 ゲート絶縁層
32 基板
33、33’、33’’ トランジスタ
34 ダイオード
35 端子
36 領域
37 埋め込み領域
38 キャリア
52、52’、52’’ 他の半導体領域
53、53’53’’ 他の接触領域
70 他の供給線
71、71’、71’’、71’’’、71’’’’ 逆並列接続リード線
73 他のビア
74 他の主方向
I 電流
I’ 電流分布
M1、M2、M3、M4 導電層
R 抵抗
VD ドレイン電圧
VDS ドレイン−ソース電圧
VGS ゲート−ソース電圧
VS ソース電圧
Claims (21)
- 半導体領域(2)と、この半導体領域(2)と接触し、単位長さ当たりの導電率Sが第1値SWから第2値S0に略直線的に変化する接続リード線(21)とを備えた半導体装置であって、
前記接続リード線(21)は、ビア(23)によって相互に接続される1を超える第1の数(N個)の導電層(M1、M2、M3、M4)を備えたことを特徴とする半導体装置。 - 前記半導体領域(2)は、前記接続リード線(21)に電気的導電可能に接続されていることを特徴とする請求項1記載の半導体装置。
- 前記接続リード線(21)は、第1値BWから第2値B0に変化する幅Bを有することを特徴とする請求項1または請求項2記載の半導体装置。
- 前記第2値B0は、所定のストリップ導体の最小幅Bminに対応することを特徴とする請求項3記載の半導体装置。
- 第1導電層(M1)は、第2導電層(M2)の幅B’とは異なる幅Bを有することを特徴とする請求項1乃至請求項4のいずれか1項記載の半導体装置。
- 前記導電層(M1、M2、M3、M4)のうちの少なくとも1つの導電層が有する第2値B0がゼロであることを特徴とする請求項1乃至請求項5のいずれか1項記載の半導体装置。
- 第1の数(N個)の導電層(M1、M2、M3、M4)のうちの1つの幅Bは、接続リード線(21)の長さに沿った位置xに依存する第1関数を有し、第1の数(N個)の導電層(M1、M2、M3、M4)の他の幅B’は、接続リード線(21)の長さに沿った位置xに依存する第2関数を有し、前記第1関数は前記第2関数と異なることを特徴とする請求項1乃至請求項6のいずれか1項記載の半導体装置。
- 一の導電層(M1)は第1の厚さ(D1)を有し、他の導電層(M4)は第1の厚さ(D1)よりも大きい他の厚さ(D4)を有することを特徴とする請求項1乃至請求項7のいずれか1項記載の半導体装置。
- 他の半導体領域(52)と、この他の半導体領域(52)と接触し、接続リード線(21)に対して略平行に配置された逆並列接続リード線(71)とを更に備え、
前記逆並列接続リード線(71)の単位長さ当たりの導電率Sは第1値SPWから第2値SPOに増加し、上記接続リード線(21)の単位長さ当たりの導電率Sは第1値SWから第2値S0に減少することを特徴とする請求項1乃至請求項8のいずれか1項記載の半導体装置。 - 逆並列接続リード線(71)は第1値BPWから第2値BPOに増加する幅BPを有し、接続リード線(21)は第1値BWから第2値B0に減少する幅Bを有し、接続リード線(21)の幅Bと逆並列接続リード線の(71)の幅BPとの合計が略一定であることを特徴とする請求項9記載の半導体装置。
- 請求項9又は請求項10記載の半導体装置(1)を備えたトランジスタ(33)であって、
接続リード線(21)と電気的に接触した半導体領域(2)と、
逆並列接続リード線(71)と電気的に接触した他の半導体領域(52)とを備えたことを特徴とするトランジスタ。 - 前記トランジスタ(33)は電界効果トランジスタとして構成され、前記半導体領域(2)はソース領域として構成され、前記他の半導体領域(52)はドレイン領域として構成され、
前記トランジスタ(33)は、
各々が接続リード線(21、21’、21’’)を具備する第1複数個(N1)のフィンガに接続された供給線(20)と、
各々が逆並列接続リード線(71、71’、71’’)を具備する第2複数個(N2)のフィンガに接続された他の供給線(70)と、
前記半導体装置(1)に形成されたゲート絶縁層(31)と、
前記ゲート絶縁層(31)上に形成されたゲート電極(30)とを備えたことを特徴とする請求項11記載のトランジスタ。 - 請求項1乃至請求項12記載の半導体装置(1)を備えたダイオードであって、
前記接続リード線(21)と電気的に接触する半導体領域(2)を備えたことを特徴とするダイオード。 - 接続リード線を有する半導体装置を設計する方法であって、
前記接続リード線(21)が長さWを有し、前記接続リード線(21)の単位長さ当たりの導電率Sが第1値SWから第2値S0に直線的に変化し、前記接続リード線(21)は垂直ビア(23)によって相互に接続される1を超える第1の数(N個)の導電層(M1、M2、M3、M4)を有するように、前記半導体装置(1)内の半導体領域(2)と接触する前記接続リード線(21)の寸法を決めることを特徴とする半導体装置の設計方法。 - 前記接続リード線(21)は、第1の数(N個)の導電層(M1、M2、M3、M4)を有し、
前記半導体装置の設計方法は、
M個の導電層が平行に配置され、N−M個の導電層が垂直に配置された接触領域(3)を有する第1トランジスタ(33)のオン抵抗値に対してこの第1トランジスタ(33)の最小表面領域を計算するステップと、
前記Mと等しくないMM個の導電層が平行に配置され、H−MM個の導電層が垂直に配置された接触領域(3)を有する少なくとも1つの他のトランジスタ(33’)のオン抵抗値に対してこの少なくとも1つの他のトランジスタ(33’)の最小表面領域を計算するステップと、
前記第1及び他のトランジスタ(33、33’)を含む集合から最も小さな最小表面領域を有するトランジスタを選択するステップとを含むことを特徴とする請求項14記載の半導体装置の設計方法。 - 前記Mがゼロであり、前記MMが1乃至Nの値をとるように、N+1個のトランジスタ(33、33’)の最小表面領域が決められることを特徴とする請求項15記載の半導体装置の設計方法。
- 各トランジスタ(33、33’)の表面領域が極小となるように、前記接触領域(3)に対して垂直に配置された前記導電層(M1、M2、M3、M4)のピッチPMが決められることを特徴とする請求項15又は請求項16記載の半導体装置の設計方法。
- 前記接続リード線(21)は第1の数(N個)の導電層(M1、M2、M3、M4)を有し、
前記半導体装置の設計方法は、
表面領域の第1値と、M個の導電層が平行に配置され、N−M個の導電層が垂直に配置された接触領域(3)とを有する第1トランジスタ(33)のオン抵抗値の第1値を計算するステップと、
表面領域の第1値と、前記Mと等しくないMM個の導電層が平行に配置され、N−MM個の導電層が垂直に配置された接触領域(3)とを有する少なくとも1つの他のトランジスタ(33’)のオン抵抗値の他の値を計算するステップと、
第1及び少なくとも1つの他のトランジスタ(33、33’)を含む集合から最も小さいオン抵抗値を有するトランジスタを選択するステップとを含むことを特徴とする請求項14記載の半導体装置の設計方法。 - 前記Mがゼロであり、前記MMが1乃至Nの値をとるように、N+1個のトランジスタ(33、33’)のオン抵抗値が決められることを特徴とする請求項18記載の半導体装置の設計方法。
- 各トランジスタ(33、33’、33’’)のオン抵抗が極小となるように、前記接触領域(3)に対して垂直に配置された前記導電層(M3、M4)のピッチPM又は前記接触領域(3)に対して平行に配置された前記導電層(M1、M2)のピッチPが決められることを特徴とする請求項18又は請求項19記載の半導体装置の設計方法。
- 請求項14乃至請求項20のいずれか1項記載の半導体装置の設計方法を実行するコンピュータを制御するためのコンピュータプログラムを有するコンピュータプログラム製品。
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US8701066B1 (en) * | 2012-06-28 | 2014-04-15 | Cadence Design Systens, Inc. | Extracting capacitance and resistance from FinFET devices |
US9741653B2 (en) * | 2013-09-18 | 2017-08-22 | Skyworks Solutions, Inc. | Devices and methods related to radio-frequency switches having reduced-resistance metal layout |
US9331158B2 (en) * | 2014-09-15 | 2016-05-03 | Qualcomm, Incorporated | Transistor devices and methods |
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US11769807B2 (en) * | 2020-08-03 | 2023-09-26 | Semiconductor Components Industries, Llc | Lateral transistor with extended source finger contact |
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