JPS53136970A - Surface treatment method of semiconductor device - Google Patents

Surface treatment method of semiconductor device

Info

Publication number
JPS53136970A
JPS53136970A JP5150477A JP5150477A JPS53136970A JP S53136970 A JPS53136970 A JP S53136970A JP 5150477 A JP5150477 A JP 5150477A JP 5150477 A JP5150477 A JP 5150477A JP S53136970 A JPS53136970 A JP S53136970A
Authority
JP
Japan
Prior art keywords
semiconductor device
surface treatment
treatment method
soaked
exposing
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.)
Pending
Application number
JP5150477A
Other languages
Japanese (ja)
Inventor
Toshinobu Kita
Sadatake Kikuchi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP5150477A priority Critical patent/JPS53136970A/en
Publication of JPS53136970A publication Critical patent/JPS53136970A/en
Pending legal-status Critical Current

Links

Landscapes

  • Bipolar Transistors (AREA)
  • Weting (AREA)

Abstract

PURPOSE: To enhance the backward characteristics by exposing the semiconductor substrate into the N2 atmosphere after formation of the electrode and wiring, being soaked into the water solution of the hydrofluoric acid group, and giving etching to the surface to remove the univalent ion.
COPYRIGHT: (C)1978,JPO&Japio
JP5150477A 1977-05-04 1977-05-04 Surface treatment method of semiconductor device Pending JPS53136970A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5150477A JPS53136970A (en) 1977-05-04 1977-05-04 Surface treatment method of semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5150477A JPS53136970A (en) 1977-05-04 1977-05-04 Surface treatment method of semiconductor device

Publications (1)

Publication Number Publication Date
JPS53136970A true JPS53136970A (en) 1978-11-29

Family

ID=12888812

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5150477A Pending JPS53136970A (en) 1977-05-04 1977-05-04 Surface treatment method of semiconductor device

Country Status (1)

Country Link
JP (1) JPS53136970A (en)

Similar Documents

Publication Publication Date Title
JPS5434751A (en) Washing method for silicon wafer
JPS5267969A (en) Manufacture of semiconductor unit
JPS53136970A (en) Surface treatment method of semiconductor device
JPS51140574A (en) Method of cleaning silicon substrate plate
JPS53140974A (en) Semiconductor surface treating method
JPS53100775A (en) Production of semiconductor device
JPS5419367A (en) Production of semiconductor device
JPS53101975A (en) Treating method of semiconductor substrates
JPS52113162A (en) Preparation of semiconductor device
JPS5242073A (en) Process for producing of semiconductor device
JPS5258463A (en) Production of semiconductor device
JPS53123070A (en) Impurity diffusing method
JPS5264277A (en) Treatment after etching of soldered semiconductor
JPS538082A (en) Production of semiconductor device
JPS5267152A (en) Continuously treating method of exhaust liquid containing fluorine and phosphoric acid ions
JPS5422172A (en) Etching method for multiple semiconductor
JPS5339872A (en) Etching method of wafers
JPS5239367A (en) Method for surface treatment of semiconductor substrate
JPS53135846A (en) Etching method
JPS522273A (en) Method of treating semiconductor substrate
JPS53144274A (en) Semiconductor device and its manufacture
JPS5227362A (en) Formation method of passivation film
JPS51138166A (en) Production method of semiconductor device
JPS5224462A (en) Surface treatment of silicone wafer
JPS5245272A (en) Process for washing surface of semiconductor device