JP2012238850A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2012238850A JP2012238850A JP2012097559A JP2012097559A JP2012238850A JP 2012238850 A JP2012238850 A JP 2012238850A JP 2012097559 A JP2012097559 A JP 2012097559A JP 2012097559 A JP2012097559 A JP 2012097559A JP 2012238850 A JP2012238850 A JP 2012238850A
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- semiconductor
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- transistor
- insulating film
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/06—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
- H01L27/0688—Integrated circuits having a three-dimensional layout
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823807—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the channel structures, e.g. channel implants, halo or pocket implants, or channel materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/8258—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using a combination of technologies covered by H01L21/8206, H01L21/8213, H01L21/822, H01L21/8252, H01L21/8254 or H01L21/8256
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42356—Disposition, e.g. buried gate electrode
- H01L29/4236—Disposition, e.g. buried gate electrode within a trench, e.g. trench gate electrode, groove gate electrode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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Abstract
【解決手段】溝部および該溝部を挟んで形成された一対の低抵抗領域を有する半導体基板と、半導体基板上の第1のゲート絶縁膜と、第1のゲート絶縁膜を介し、溝部と重畳するゲート電極と、ゲート電極を覆って設けられた第2のゲート絶縁膜と、第2のゲート絶縁膜上の、溝部を挟んで設けられた一対の電極と、一対の電極と接する半導体膜と、を有し、一対の低抵抗領域の一方と、一対の電極の一方が電気的に接続されている積層されたトランジスタを形成し、一方はn型半導体からなるトランジスタであり、他方はp型半導体からなるトランジスタにより形成させることによって、相補型MOS回路を形成する。
【選択図】図1
Description
本実施の形態では、本発明の一態様であるトランジスタの一例について図1および図2を用いて説明する。
次に、図1に示したトランジスタの作製方法の一例について、図4を用いて説明する。
本実施の形態では、実施の形態1で示したトランジスタを用いて、CPU(Central Processing Unit)を構成する例について説明する。
本実施の形態では、実施の形態1乃至実施の形態2を適用した電子機器の例について説明する。
102 低抵抗領域
104 第1のゲート絶縁膜
106 ゲート電極
108 第2のゲート絶縁膜
110 一対の電極
112 半導体膜
114 層間絶縁膜
120 一対の電極
122 半導体膜
106b ゲート電極
1141 スイッチング素子
1142 記憶素子
1143 記憶素子群
1189 ROMインターフェース
1190 基板
1191 ALU
1192 ALUコントローラ
1193 インストラクションデコーダ
1194 インタラプトコントローラ
1195 タイミングコントローラ
1196 レジスタ
1197 レジスタコントローラ
1198 バスインターフェース
1199 ROM
150a トランジスタ
150b トランジスタ
200a pチャネルトランジスタ
200b nチャネルトランジスタ
300a pチャネルトランジスタ
300b nチャネルトランジスタ
400a pチャネルトランジスタ
400b nチャネルトランジスタ
9300 筐体
9301 ボタン
9302 マイクロフォン
9303 表示部
9304 スピーカ
9305 カメラ
9320 筐体
9321 ボタン
9322 マイクロフォン
9323 表示部
Claims (6)
- 重畳する第1のトランジスタおよび第2のトランジスタを有し、
前記第1のトランジスタは、一対の低抵抗領域の間に溝部を有する半導体基板と、前記溝部に沿って形成される第1のゲート絶縁膜と、前記第1のゲート絶縁膜を介して前記溝部に形成されるゲート電極と、を有し、
前記第2のトランジスタは、前記ゲート電極と、前記ゲート電極を覆う第2のゲート絶縁膜と、前記第2のゲート絶縁膜を介して前記ゲート電極と重畳する半導体膜と、前記半導体膜に接して形成される一対の電極と、を有し、
前記一対の低抵抗領域の一方と、前記一対の電極の一方が接続されていることを特徴とする半導体装置。 - 溝部および前記溝部を挟んで形成された一対の低抵抗領域を有する半導体基板と、
前記半導体基板上の第1のゲート絶縁膜と、
前記第1のゲート絶縁膜を介し、前記溝部と重畳するゲート電極と、
前記ゲート電極を覆って設けられた第2のゲート絶縁膜と、
前記第2のゲート絶縁膜上の、前記溝部を挟んで設けられた一対の電極と、
前記一対の電極と接し、前記第2のゲート絶縁膜を介して前記ゲート電極と重畳する半導体膜と、を有し、
前記一対の低抵抗領域の一方と、前記一対の電極の一方が接続されていることを特徴とする半導体装置。 - 請求項1または請求項2において、
前記一対の電極は、前記第2のゲート絶縁膜と前記半導体膜との間に形成されていることを特徴とする半導体装置。 - 請求項1または請求項2において、
前記半導体膜は、前記第2のゲート絶縁膜と前記一対の電極との間に形成されていることを特徴とする半導体装置。 - 請求項1乃至請求項4のいずれか一項において、
前記半導体基板はn型半導体であり、前記一対の低抵抗領域はp型半導体であることを特徴とする半導体装置。 - 請求項1乃至請求項5のいずれか一項において、
前記半導体膜は、In、Ga、SnおよびZnから選ばれた一種以上の元素を含む酸化物半導体からなることを特徴とする半導体装置。
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