JPS57110672A - Etching method for germaninum - Google Patents

Etching method for germaninum

Info

Publication number
JPS57110672A
JPS57110672A JP55187270A JP18727080A JPS57110672A JP S57110672 A JPS57110672 A JP S57110672A JP 55187270 A JP55187270 A JP 55187270A JP 18727080 A JP18727080 A JP 18727080A JP S57110672 A JPS57110672 A JP S57110672A
Authority
JP
Japan
Prior art keywords
soln
etching
wafer
h3po4
diluted
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
JP55187270A
Other languages
English (en)
Other versions
JPS5817264B2 (ja
Inventor
Shuzo Kagawa
Katsuji Honma
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 JP55187270A priority Critical patent/JPS5817264B2/ja
Publication of JPS57110672A publication Critical patent/JPS57110672A/ja
Publication of JPS5817264B2 publication Critical patent/JPS5817264B2/ja
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K13/00Etching, surface-brightening or pickling compositions
    • C09K13/04Etching, surface-brightening or pickling compositions containing an inorganic acid
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P50/00Etching of wafers, substrates or parts of devices
    • H10P50/60Wet etching
    • H10P50/64Wet etching of semiconductor materials
    • H10P50/642Chemical etching
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P90/00Preparation of wafers not covered by a single main group of this subclass, e.g. wafer reinforcement
    • H10P90/12Preparing bulk and homogeneous wafers
    • H10P90/126Preparing bulk and homogeneous wafers by chemical etching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Weting (AREA)
  • ing And Chemical Polishing (AREA)
JP55187270A 1980-12-29 1980-12-29 ゲルマニウムのエッチング方法 Expired JPS5817264B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55187270A JPS5817264B2 (ja) 1980-12-29 1980-12-29 ゲルマニウムのエッチング方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55187270A JPS5817264B2 (ja) 1980-12-29 1980-12-29 ゲルマニウムのエッチング方法

Publications (2)

Publication Number Publication Date
JPS57110672A true JPS57110672A (en) 1982-07-09
JPS5817264B2 JPS5817264B2 (ja) 1983-04-06

Family

ID=16203044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55187270A Expired JPS5817264B2 (ja) 1980-12-29 1980-12-29 ゲルマニウムのエッチング方法

Country Status (1)

Country Link
JP (1) JPS5817264B2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0669187A (ja) * 1992-06-04 1994-03-11 Micron Technol Inc 半導体処理方法
CN105937052A (zh) * 2016-06-20 2016-09-14 云南中科鑫圆晶体材料有限公司 去除锗单晶片酸化学腐蚀后表面蓝色药印的方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0669187A (ja) * 1992-06-04 1994-03-11 Micron Technol Inc 半導体処理方法
CN105937052A (zh) * 2016-06-20 2016-09-14 云南中科鑫圆晶体材料有限公司 去除锗单晶片酸化学腐蚀后表面蓝色药印的方法

Also Published As

Publication number Publication date
JPS5817264B2 (ja) 1983-04-06

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