JPS6246531A - 金属層のエツチング終点の検出方法 - Google Patents
金属層のエツチング終点の検出方法Info
- Publication number
- JPS6246531A JPS6246531A JP18629085A JP18629085A JPS6246531A JP S6246531 A JPS6246531 A JP S6246531A JP 18629085 A JP18629085 A JP 18629085A JP 18629085 A JP18629085 A JP 18629085A JP S6246531 A JPS6246531 A JP S6246531A
- Authority
- JP
- Japan
- Prior art keywords
- etching
- metal layer
- wafer
- current value
- metallic layer
- 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
Links
- 238000005530 etching Methods 0.000 title claims abstract description 70
- 238000001514 detection method Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims description 59
- 239000002184 metal Substances 0.000 claims description 59
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052697 platinum Inorganic materials 0.000 abstract description 6
- 238000007654 immersion Methods 0.000 abstract description 4
- 235000012431 wafers Nutrition 0.000 description 26
- 238000000866 electrolytic etching Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000003486 chemical etching Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000003057 platinum Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Weting (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18629085A JPS6246531A (ja) | 1985-08-23 | 1985-08-23 | 金属層のエツチング終点の検出方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18629085A JPS6246531A (ja) | 1985-08-23 | 1985-08-23 | 金属層のエツチング終点の検出方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6246531A true JPS6246531A (ja) | 1987-02-28 |
| JPH0562816B2 JPH0562816B2 (enrdf_load_stackoverflow) | 1993-09-09 |
Family
ID=16185722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18629085A Granted JPS6246531A (ja) | 1985-08-23 | 1985-08-23 | 金属層のエツチング終点の検出方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6246531A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2017094219A1 (ja) * | 2015-11-30 | 2018-09-20 | パナソニックＩｐマネジメント株式会社 | 電極箔の製造方法およびコンデンサの製造方法 |
-
1985
- 1985-08-23 JP JP18629085A patent/JPS6246531A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2017094219A1 (ja) * | 2015-11-30 | 2018-09-20 | パナソニックＩｐマネジメント株式会社 | 電極箔の製造方法およびコンデンサの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0562816B2 (enrdf_load_stackoverflow) | 1993-09-09 |
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