JP5739404B2 - ゲート・ダイオード構造及びゲート・ダイオード構造の製造方法 - Google Patents
ゲート・ダイオード構造及びゲート・ダイオード構造の製造方法 Download PDFInfo
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28518—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table the conductive layers comprising silicides
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- 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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66356—Gated diodes, e.g. field controlled diodes [FCD], static induction thyristors [SITh], field controlled thyristors [FCTh]
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- 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
- H01L29/66—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
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7391—Gated diode structures
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- Insulated Gate Type Field-Effect Transistor (AREA)
- Thin Film Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
図1乃至図15は本発明の一実施例に従うゲート・ダイオード構造の製造過程中に進行する製造処理ステップの結果を図示する一連の断面図及び平面図である。
Claims (13)
- ゲート・ダイオード構造であって、
第1の極性の重くドープされた領域(24)を第1の極性とは異なる2つの第2の重くドープされた領域(28)から横方向に分離する2つの第1の極性の軽くドープされた領域(14“)を含む半導体基板(10)であって、第1の極性の軽くドープされた領域(14“)の一方は、第1の極性の重くドープされた領域(24)と一方の第2の重くドープされた領域(28)の間にあり、他方の第1の極性の軽くドープされた領域(14“)は、第1の極性の重くドープされた領域(24)と他方の第2の重くドープされた領域(28)の間にあり、第1の極性の軽くドープされた領域(14“)の各々は、第1の極性の重くドープされた領域(24)及び第2の重くドープされた領域(28)に直接接している、半導体基板(10)と、
第1の極性の軽くドープされた領域(14“)の各々の上に整合されたゲート(20‘)と、
ゲート(20‘)及び半導体基板(10)を共形的に被う、引張りまたは圧縮の歪み状態が注入された歪緩和イオンにより緩和された緩和下地層(34’)と、を備えたゲート・ダイオード構造。 - 半導体基板は、バルク半導体基板または半導体オンインシュレータを備える、請求項1のゲート・ダイオード構造。
- 第1の極性はn型の極性であり、かつ第2の極性はp型の極性であり、あるいは第1の極性はp型の極性であり、かつ第2の極性はn型の極性である、請求項1のゲート・ダイオード構造。
- ゲートと半導体基板との間に挿入されたゲート誘電体を含むゲート積層体(ゲート・スタック)内にゲートが含まれている、請求項1のゲート・ダイオード構造。
- 緩和下地層がシリコンナイトライド材料を含む、請求項1のゲート・ダイオード構造。
- 前記歪緩和イオンは、シリコン、ゲルマニウム及びキセノンのイオンの中の少なくとも1つからなる、請求項1のゲート・ダイオード構造。
- ゲート・ダイオード構造であって、
第1の極性の重くドープされた領域(24)を第1の極性とは異なる2つの第2の重くドープされた領域(28)から横方向に分離する2つの第1の極性の軽くドープされた領域(14“)を含む半導体基板(10)であって、第1の極性の軽くドープされた領域(14“)の一方は、第1の極性の重くドープされた領域(24)と一方の第2の重くドープされた領域(28)の間にあり、他方の第1の極性の軽くドープされた領域(14“)は、第1の極性の重くドープされた領域(24)と他方の第2の重くドープされた領域(28)の間にあり、第1の極性の軽くドープされた領域(14“)の各々は、第1の極性の重くドープされた領域(24)及び第2の重くドープされた領域(28)に直接接している、半導体基板(10)と、
第1の極性の軽くドープされた領域(14“)の各々の上に整合されたゲート(20‘)と、
ゲート(20‘)及び半導体基板(10)を共形的に被う、引張りまたは圧縮の歪み状態を含む下地層(34’)であって、注入されたゲルマニウム不純物及びキセノン不純物のグループから選択される不純物によって歪み状態が緩和されたゲートを少なくとも部分的に被う緩和部分(34‘)と、半導体基板(10)を少なくとも部分的に被う歪部分を含む下地層(34’)と、を備えたゲート・ダイオード構造。 - 下地層の緩和部分は、ゲルマニウム不純物のみ、またはキセノン不純物のみを含む、請求項7のゲート・ダイオード構造。
- 半導体基板は、バルク半導体基板または半導体オンインシュレータを備える、請求項7のゲート・ダイオード構造。
- ゲートが、ゲートと半導体基板との間に挿入されたゲート誘電体を含むゲート積層体に含まれている、請求項7のゲート・ダイオード構造。
- ゲート・ダイオード構造を製造する方法であって、
半導体基板(10)上にゲート(20‘)を形成するステップと、
ゲート(20‘)の下に整合され、且つ第1の極性の重くドープされた領域(24)を第1の極性とは異なる2つの第2の重くドープされた領域(28)から横方向に分離する2つの第1の極性の軽くドープされた領域(14“)を半導体基板内に形成するステップであって、第1の極性の軽くドープされた領域(14“)の一方は、第1の極性の重くドープされた領域(24)と一方の第2の重くドープされた領域(28)の間にあり、他方の第1の極性の軽くドープされた領域(14“)は、第1の極性の重くドープされた領域(24)と他方の第2の重くドープされた領域(28)の間にあり、第1の極性の軽くドープされた領域(14“)の各々は、第1の極性の重くドープされた領域(24)及び第2の重くドープされた領域(28)に直接接している、ステップと、
ゲート及び半導体基板を共形的に被う引張りまたは圧縮の歪み状態を含む歪下地層(34)を形成するステップと、
歪下地層に歪緩和イオンを注入して少なくとも部分的に緩和下地層(34‘)を形成するステップと、を含むゲート・ダイオード構造を製造する方法。 - 第1の極性の重くドープされた領域及び第1の極性とは異なる第2の重くドープされた領域の夫々を形成する際に、少なくとも部分的にゲートをマスクとして用いる。請求項11の製造方法。
- 前記歪緩和イオンは、シリコン、ゲルマニウム及びキセノンのイオンの中の少なくともいずれ1つからなる、請求項11の製造方法。
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Application Number | Priority Date | Filing Date | Title |
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US16144809P | 2009-03-19 | 2009-03-19 | |
US61/161,448 | 2009-03-19 | ||
US12/702,380 US8232603B2 (en) | 2009-03-19 | 2010-02-09 | Gated diode structure and method including relaxed liner |
US12/702,380 | 2010-02-09 | ||
PCT/US2010/023839 WO2010107531A1 (en) | 2009-03-19 | 2010-02-11 | Gated diode structure and method including relaxed liner |
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