JPH0449643B2 - - Google Patents
Info
- Publication number
- JPH0449643B2 JPH0449643B2 JP14382283A JP14382283A JPH0449643B2 JP H0449643 B2 JPH0449643 B2 JP H0449643B2 JP 14382283 A JP14382283 A JP 14382283A JP 14382283 A JP14382283 A JP 14382283A JP H0449643 B2 JPH0449643 B2 JP H0449643B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- laser
- laser beam
- etching
- film thickness
- 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.)
- Expired
Links
- 238000012806 monitoring device Methods 0.000 claims description 8
- 239000010408 film Substances 0.000 description 65
- 238000005530 etching Methods 0.000 description 18
- 235000012431 wafers Nutrition 0.000 description 15
- 239000010409 thin film Substances 0.000 description 8
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000004556 laser interferometry Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 238000004993 emission spectroscopy Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Drying Of Semiconductors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14382283A JPS6035519A (ja) | 1983-08-08 | 1983-08-08 | 膜厚モニタ−装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14382283A JPS6035519A (ja) | 1983-08-08 | 1983-08-08 | 膜厚モニタ−装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6035519A JPS6035519A (ja) | 1985-02-23 |
| JPH0449643B2 true JPH0449643B2 (fr) | 1992-08-12 |
Family
ID=15347760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14382283A Granted JPS6035519A (ja) | 1983-08-08 | 1983-08-08 | 膜厚モニタ−装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6035519A (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01145508A (ja) * | 1987-12-01 | 1989-06-07 | Canon Inc | 測定装置 |
| JPH01145507A (ja) * | 1987-12-01 | 1989-06-07 | Canon Inc | 測定方法 |
| JPH04355916A (ja) * | 1990-10-12 | 1992-12-09 | Seiko Epson Corp | ドライエッチング装置 |
| GB2257507B (en) * | 1991-06-26 | 1995-03-01 | Digital Equipment Corp | Semiconductor wafer processing with across-wafer critical dimension monitoring using optical endpoint detection |
| US5308447A (en) * | 1992-06-09 | 1994-05-03 | Luxtron Corporation | Endpoint and uniformity determinations in material layer processing through monitoring multiple surface regions across the layer |
| JP4500510B2 (ja) * | 2003-06-05 | 2010-07-14 | 東京エレクトロン株式会社 | エッチング量検出方法,エッチング方法,およびエッチング装置 |
| US11022877B2 (en) * | 2017-03-13 | 2021-06-01 | Applied Materials, Inc. | Etch processing system having reflective endpoint detection |
-
1983
- 1983-08-08 JP JP14382283A patent/JPS6035519A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6035519A (ja) | 1985-02-23 |
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