JPS5275280A - Semiconductor device - Google Patents

Semiconductor device

Info

Publication number
JPS5275280A
JPS5275280A JP50151567A JP15156775A JPS5275280A JP S5275280 A JPS5275280 A JP S5275280A JP 50151567 A JP50151567 A JP 50151567A JP 15156775 A JP15156775 A JP 15156775A JP S5275280 A JPS5275280 A JP S5275280A
Authority
JP
Japan
Prior art keywords
semiconductor device
buried layer
layer
uncrease
thinthickness
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
JP50151567A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5615576B2 (https=
Inventor
Yoshiyuki Namiki
Tsutomu Akatsuka
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP50151567A priority Critical patent/JPS5275280A/ja
Publication of JPS5275280A publication Critical patent/JPS5275280A/ja
Publication of JPS5615576B2 publication Critical patent/JPS5615576B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Bipolar Transistors (AREA)
  • Element Separation (AREA)
JP50151567A 1975-12-19 1975-12-19 Semiconductor device Granted JPS5275280A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50151567A JPS5275280A (en) 1975-12-19 1975-12-19 Semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50151567A JPS5275280A (en) 1975-12-19 1975-12-19 Semiconductor device

Publications (2)

Publication Number Publication Date
JPS5275280A true JPS5275280A (en) 1977-06-24
JPS5615576B2 JPS5615576B2 (https=) 1981-04-10

Family

ID=15521342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50151567A Granted JPS5275280A (en) 1975-12-19 1975-12-19 Semiconductor device

Country Status (1)

Country Link
JP (1) JPS5275280A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01217968A (ja) * 1988-02-26 1989-08-31 Fujitsu Ltd 半導体装置とその製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4998183A (https=) * 1973-01-19 1974-09-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4998183A (https=) * 1973-01-19 1974-09-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01217968A (ja) * 1988-02-26 1989-08-31 Fujitsu Ltd 半導体装置とその製造方法

Also Published As

Publication number Publication date
JPS5615576B2 (https=) 1981-04-10

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