JP6014362B2 - 半導体装置の作製方法 - Google Patents
半導体装置の作製方法 Download PDFInfo
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- JP6014362B2 JP6014362B2 JP2012111290A JP2012111290A JP6014362B2 JP 6014362 B2 JP6014362 B2 JP 6014362B2 JP 2012111290 A JP2012111290 A JP 2012111290A JP 2012111290 A JP2012111290 A JP 2012111290A JP 6014362 B2 JP6014362 B2 JP 6014362B2
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- transistor
- insulating film
- oxide semiconductor
- memory cell
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Classifications
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- H10B—ELECTRONIC MEMORY DEVICES
- H10B63/00—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
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- 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
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- H01L21/84—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 other than a semiconductor body, e.g. being an insulating body
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- 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
- H01L27/12—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 other than a semiconductor body, e.g. an insulating body
- H01L27/1203—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 other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI
- H01L27/1207—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 other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI combined with devices in contact with the semiconductor body, i.e. bulk/SOI hybrid circuits
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- H01L27/12—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 other than a semiconductor body, e.g. an insulating body
- H01L27/1214—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 other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1222—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 other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
- H01L27/1225—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 other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer with semiconductor materials not belonging to the group IV of the periodic table, e.g. InGaZnO
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- H10B—ELECTRONIC MEMORY DEVICES
- H10B63/00—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices
- H10B63/30—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices comprising selection components having three or more electrodes, e.g. transistors
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- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
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- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/801—Constructional details of multistable switching devices
- H10N70/881—Switching materials
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- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/403—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells with charge regeneration common to a multiplicity of memory cells, i.e. external refresh
- G11C11/404—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells with charge regeneration common to a multiplicity of memory cells, i.e. external refresh with one charge-transfer gate, e.g. MOS transistor, per cell
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02565—Oxide semiconducting materials not being Group 12/16 materials, e.g. ternary compounds
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/02631—Physical deposition at reduced pressure, e.g. MBE, sputtering, evaporation
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Description
本実施の形態では、本発明の一態様を適用した半導体記憶装置について図1乃至図5を用いて説明する。
本実施の形態では、実施の形態1に示した半導体記憶装置と構成の異なる半導体記憶装置について図6乃至図10を用いて説明する。
実施の形態1または実施の形態2で示した半導体記憶装置を少なくとも一部に用いてCPU(Central Processing Unit)を構成することができる。
本実施の形態では、実施の形態1乃至実施の形態3の少なくともいずれかを適用した電子機器の例について説明する。
102 下地絶縁膜
104 第1の絶縁膜
105 第1の絶縁膜
108 第1のゲート絶縁膜
109 絶縁膜
110 第2のゲート絶縁膜
112 第2の絶縁膜
114 電極
116 第2のゲート電極
118 酸化物半導体膜
120a 導電膜
120b 導電膜
122 第1のゲート電極
123 導電膜
130 キャパシタ
140 トランジスタ
200 基板
202 下地絶縁膜
204 第1の絶縁膜
205 第1の絶縁膜
208 第1のゲート絶縁膜
210 第2のゲート絶縁膜
212 第2の絶縁膜
214 電極
216 第2のゲート電極
218 酸化物半導体膜
220a 導電膜
220b 導電膜
222 第1のゲート電極
226 半導体膜
226a 高抵抗領域
226b 低抵抗領域
226c 低抵抗領域
228 ゲート絶縁膜
230 キャパシタ
240 第2のトランジスタ
250 第1のトランジスタ
276 半導体膜
600 基板
602 下地絶縁膜
606 酸化物半導体膜
608 ゲート絶縁膜
610 ゲート電極
614 一対の電極
616 層間絶縁膜
618 配線
620 保護膜
1141 スイッチング素子
1142 半導体記憶装置
1143 半導体記憶装置群
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
2100 基板
2102 下地絶縁膜
2104 保護絶縁膜
2106 酸化物半導体膜
2106a 高抵抗領域
2106b 低抵抗領域
2107 酸化物半導体膜
2107a 高抵抗領域
2107b 低抵抗領域
2108 ゲート絶縁膜
2110 ゲート電極
2112 側壁絶縁膜
2114 一対の電極
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 (1)
- 同一平面上に、第1の導電膜と、前記第1の導電膜と離間した第2の導電膜と、を形成し、
前記第1の導電膜の側面、及び前記第2の導電膜の側面と接する、第1の絶縁膜を形成し、
前記第1の導電膜と、前記第2の導電膜との間に、前記第1の絶縁膜を介して、第3の導電膜を形成し、
前記第3の導電膜をエッチングして、前記第3の導電膜の上面の位置を、前記第1の導電膜の上面の位置、及び前記第2の導電膜の上面の位置より低くし、
前記第3の導電膜上に、第2の絶縁膜を形成し、
前記第2の絶縁膜上に、酸化物半導体膜を形成し、
前記酸化物半導体膜上に、第3の絶縁膜を形成し、
前記第3の絶縁膜上に、第4の導電膜を形成する半導体装置の作製方法であって、
前記第1の導電膜は、ソース電極又はドレイン電極の一方として機能し、
前記第2の導電膜は、前記ソース電極又は前記ドレイン電極の他方として機能し、
前記第2の絶縁膜は、第1のゲート絶縁膜として機能し、
前記第3の導電膜は、第1のゲート電極として機能し、
前記第3の絶縁膜は、第2のゲート絶縁膜として機能し、
前記第4の導電膜は、第2のゲート電極として機能する、ことを特徴とする半導体装置の作製方法。
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US20120292615A1 (en) | 2012-11-22 |
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US9029929B2 (en) | 2015-05-12 |
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