JPS57160123A - Semiconductor device - Google Patents

Semiconductor device

Info

Publication number
JPS57160123A
JPS57160123A JP56045553A JP4555381A JPS57160123A JP S57160123 A JPS57160123 A JP S57160123A JP 56045553 A JP56045553 A JP 56045553A JP 4555381 A JP4555381 A JP 4555381A JP S57160123 A JPS57160123 A JP S57160123A
Authority
JP
Japan
Prior art keywords
particle
vicinity
crystal
contained
silicon film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP56045553A
Other languages
English (en)
Other versions
JPH0363208B2 (ja
Inventor
Yoshifumi Katayama
Juichi Shimada
Eiichi Maruyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56045553A priority Critical patent/JPS57160123A/ja
Priority to CA000399652A priority patent/CA1189940A/en
Priority to DE8282301643T priority patent/DE3278527D1/de
Priority to EP82301643A priority patent/EP0061923B1/en
Priority to KR8201382A priority patent/KR860001161B1/ko
Publication of JPS57160123A publication Critical patent/JPS57160123A/ja
Priority to US06/710,953 priority patent/US4613382A/en
Publication of JPH0363208B2 publication Critical patent/JPH0363208B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02367Substrates
    • H01L21/0237Materials
    • H01L21/0242Crystalline insulating materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02367Substrates
    • H01L21/0237Materials
    • H01L21/02425Conductive materials, e.g. metallic silicides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02436Intermediate layers between substrates and deposited layers
    • H01L21/02439Materials
    • H01L21/02441Group 14 semiconducting materials
    • H01L21/0245Silicon, silicon germanium, germanium
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02518Deposited layers
    • H01L21/02521Materials
    • H01L21/02524Group 14 semiconducting materials
    • H01L21/02532Silicon, silicon germanium, germanium
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02518Deposited layers
    • H01L21/0257Doping during depositing
    • H01L21/02573Conductivity type
    • H01L21/02576N-type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02518Deposited layers
    • H01L21/0257Doping during depositing
    • H01L21/02573Conductivity type
    • H01L21/02579P-type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02612Formation types
    • H01L21/02617Deposition types
    • H01L21/0262Reduction or decomposition of gaseous compounds, e.g. CVD
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02612Formation types
    • H01L21/02617Deposition types
    • H01L21/02631Physical deposition at reduced pressure, e.g. MBE, sputtering, evaporation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof  ; Multistep manufacturing processes therefor
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/04Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof  ; Multistep manufacturing processes therefor
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/12Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
    • H01L29/16Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic System
    • H01L29/167Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic System further characterised by the doping material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof  ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types 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
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/786Thin film transistors, i.e. transistors with a channel being at least partly a thin film
    • H01L29/78651Silicon transistors
    • H01L29/7866Non-monocrystalline silicon transistors
    • H01L29/78672Polycrystalline or microcrystalline silicon transistor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof  ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types 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
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/786Thin film transistors, i.e. transistors with a channel being at least partly a thin film
    • H01L29/78684Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising semiconductor materials of Group IV not being silicon, or alloys including an element of the group IV, e.g. Ge, SiN alloys, SiC alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof  ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/86Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
    • H01L29/861Diodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/0248Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
    • H01L31/036Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes
    • H01L31/0368Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes including polycrystalline semiconductors
    • H01L31/03682Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes including polycrystalline semiconductors including only elements of Group IV of the Periodic System
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/546Polycrystalline silicon PV cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S438/00Semiconductor device manufacturing: process
    • Y10S438/958Passivation layer
JP56045553A 1981-03-30 1981-03-30 Semiconductor device Granted JPS57160123A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP56045553A JPS57160123A (en) 1981-03-30 1981-03-30 Semiconductor device
CA000399652A CA1189940A (en) 1981-03-30 1982-03-29 Semiconductor device
DE8282301643T DE3278527D1 (en) 1981-03-30 1982-03-29 Semiconductor device having a polycrystalline thin film
EP82301643A EP0061923B1 (en) 1981-03-30 1982-03-29 Semiconductor device having a polycrystalline thin film
KR8201382A KR860001161B1 (ko) 1981-03-30 1982-03-30 반도체 장치
US06/710,953 US4613382A (en) 1981-03-30 1985-03-14 Method of forming passivated polycrystalline semiconductors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56045553A JPS57160123A (en) 1981-03-30 1981-03-30 Semiconductor device

Publications (2)

Publication Number Publication Date
JPS57160123A true JPS57160123A (en) 1982-10-02
JPH0363208B2 JPH0363208B2 (ja) 1991-09-30

Family

ID=12722546

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56045553A Granted JPS57160123A (en) 1981-03-30 1981-03-30 Semiconductor device

Country Status (6)

Country Link
US (1) US4613382A (ja)
EP (1) EP0061923B1 (ja)
JP (1) JPS57160123A (ja)
KR (1) KR860001161B1 (ja)
CA (1) CA1189940A (ja)
DE (1) DE3278527D1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60254660A (ja) * 1984-05-14 1985-12-16 エナージー・コンバーシヨン・デバイセス・インコーポレーテツド 薄膜電界効果トランジスタとその作製方法
JPH0323639A (ja) * 1989-06-21 1991-01-31 Sony Corp 薄膜トランジスタ

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3241959A1 (de) * 1981-11-13 1983-05-26 Canon K.K., Tokyo Halbleiterbauelement
DE3347997C2 (ja) * 1982-01-06 1991-01-24 Canon K.K., Tokio/Tokyo, Jp
EP0129037B1 (en) * 1983-06-17 1987-09-02 Texas Instruments Incorporated Polysilicon fets
US5111260A (en) * 1983-06-17 1992-05-05 Texax Instruments Incorporated Polysilicon FETs
US4727044A (en) 1984-05-18 1988-02-23 Semiconductor Energy Laboratory Co., Ltd. Method of making a thin film transistor with laser recrystallized source and drain
US4717681A (en) * 1986-05-19 1988-01-05 Texas Instruments Incorporated Method of making a heterojunction bipolar transistor with SIPOS
US4821091A (en) * 1986-07-22 1989-04-11 The United States Of America As Represented By The United States Department Of Energy Polysilicon photoconductor for integrated circuits
US4945065A (en) * 1988-06-02 1990-07-31 Mobil Solar Energy Corporation Method of passivating crystalline substrates
JPH0388321A (ja) * 1989-08-31 1991-04-12 Tonen Corp 多結晶シリコン薄膜
US5051786A (en) * 1989-10-24 1991-09-24 Mcnc Passivated polycrystalline semiconductors quantum well/superlattice structures fabricated thereof
JPH0828379B2 (ja) * 1990-05-28 1996-03-21 株式会社東芝 半導体装置の製造方法
EP0459763B1 (en) * 1990-05-29 1997-05-02 Semiconductor Energy Laboratory Co., Ltd. Thin-film transistors
JPH0611705A (ja) * 1992-01-31 1994-01-21 Sony Corp 能動素子基板
JPH06151801A (ja) * 1992-11-13 1994-05-31 Canon Inc 光電変換装置及び光電変換装置の製造方法
US5620906A (en) 1994-02-28 1997-04-15 Semiconductor Energy Laboratory Co., Ltd. Method for producing semiconductor device by introducing hydrogen ions
US5897346A (en) * 1994-02-28 1999-04-27 Semiconductor Energy Laboratory Co., Ltd. Method for producing a thin film transistor
KR100295718B1 (ko) * 1995-06-06 2001-09-03 아사히 가세이 마이크로시스템 가부시끼가이샤 반도체장치및그의제조방법
JPH09148581A (ja) * 1995-11-17 1997-06-06 Sharp Corp 薄膜半導体装置の製造方法
US5665611A (en) * 1996-01-31 1997-09-09 Micron Technology, Inc. Method of forming a thin film transistor using fluorine passivation
TW322591B (ja) * 1996-02-09 1997-12-11 Handotai Energy Kenkyusho Kk
US6936485B2 (en) * 2000-03-27 2005-08-30 Semiconductor Energy Laboratory Co., Ltd. Method of manufacturing a light emitting device
DE102005013537A1 (de) * 2004-03-24 2005-10-20 Sharp Kk Fotoelektrischer Wandler und Herstellverfahren für einen solchen
EP2242588A4 (en) * 2008-01-15 2017-08-16 First Solar, Inc Plasma-treated photovoltaic devices
US9299863B2 (en) * 2008-05-07 2016-03-29 The Hong Kong University Of Science And Technology Ultrathin film multi-crystalline photovoltaic device
US20120006395A1 (en) * 2010-07-08 2012-01-12 E. I. Du Pont De Nemours And Company Coated stainless steel substrate
JP2012019146A (ja) * 2010-07-09 2012-01-26 Sony Corp 撮像装置、表示撮像装置および電子機器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55151374A (en) * 1979-05-14 1980-11-25 Shunpei Yamazaki Semiconductor device
JPS55151329A (en) * 1979-05-14 1980-11-25 Shunpei Yamazaki Fabricating method of semiconductor device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196438A (en) * 1976-09-29 1980-04-01 Rca Corporation Article and device having an amorphous silicon containing a halogen and method of fabrication
US4217374A (en) * 1978-03-08 1980-08-12 Energy Conversion Devices, Inc. Amorphous semiconductors equivalent to crystalline semiconductors
US4342044A (en) * 1978-03-08 1982-07-27 Energy Conversion Devices, Inc. Method for optimizing photoresponsive amorphous alloys and devices
US4178415A (en) * 1978-03-22 1979-12-11 Energy Conversion Devices, Inc. Modified amorphous semiconductors and method of making the same
US4239554A (en) * 1978-07-17 1980-12-16 Shunpei Yamazaki Semiconductor photoelectric conversion device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55151374A (en) * 1979-05-14 1980-11-25 Shunpei Yamazaki Semiconductor device
JPS55151329A (en) * 1979-05-14 1980-11-25 Shunpei Yamazaki Fabricating method of semiconductor device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60254660A (ja) * 1984-05-14 1985-12-16 エナージー・コンバーシヨン・デバイセス・インコーポレーテツド 薄膜電界効果トランジスタとその作製方法
JPS60254661A (ja) * 1984-05-14 1985-12-16 エナージー・コンバーシヨン・デバイセス・インコーポレーテツド 集積回路と両立可能な改良された薄膜電界効果トランジスタとその製造方法
JPH0323639A (ja) * 1989-06-21 1991-01-31 Sony Corp 薄膜トランジスタ

Also Published As

Publication number Publication date
EP0061923B1 (en) 1988-05-18
EP0061923A1 (en) 1982-10-06
DE3278527D1 (en) 1988-06-23
US4613382A (en) 1986-09-23
KR860001161B1 (ko) 1986-08-18
KR830009646A (ko) 1983-12-22
JPH0363208B2 (ja) 1991-09-30
CA1189940A (en) 1985-07-02

Similar Documents

Publication Publication Date Title
JPS57160123A (en) Semiconductor device
JPS551111A (en) Semiconductor device
JPS5779663A (en) Semiconductor device
JPS5521176A (en) Semiconductor device
JPS5222565A (en) Reducing material feeding device
JPS54162451A (en) Heat treatment method of compound semiconductor and its heat treatment unit
JPS5574142A (en) Refining of semiconductor etching alkaline liquid
JPS57201032A (en) Silicon single crystal semiconductor device
JPS5383000A (en) Deconramination cooling prosess and the device thereof for reactor
JPS52122479A (en) Etching solution of silicon
JPS5336719A (en) Overflow preventing device for liquid feeding apparatus
JPS53128986A (en) Manufacture of semiconductor device
JPS5240967A (en) Method of diffusing impurities in compund semiconductor
JPS5281065A (en) Regulation for liquid concentration apparatus
JPS5354989A (en) Semiconductor device
JPS52129291A (en) Semiconductor laser device
JPS5263107A (en) Impurity capturing apparatus in fluid
JPS5295381A (en) Bearing device
JPS5292097A (en) Limiter of plasma enclosing apparatus using heat-decomposing graphite
JPS52111698A (en) Semiconductor porcelain element
JPS5212559A (en) Exposure of electronic microscope
JPS53139470A (en) Semiconductor rectifying device
JPS5265768A (en) Equipment for treatment of liquid which produces heat of dilution
JPS5424575A (en) Handling method of wafer
JPS52144287A (en) Preparation of semiconductor device