JPH031968U - - Google Patents
Info
- Publication number
- JPH031968U JPH031968U JP6208989U JP6208989U JPH031968U JP H031968 U JPH031968 U JP H031968U JP 6208989 U JP6208989 U JP 6208989U JP 6208989 U JP6208989 U JP 6208989U JP H031968 U JPH031968 U JP H031968U
- Authority
- JP
- Japan
- Prior art keywords
- electroforming
- glass master
- ring
- master disk
- electrode ring
- 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
Links
- 238000005323 electroforming Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Description
第１図は従来の電鋳用電極リングをガラス原盤
に取り付けた断面図である。第２図は本発明の電
鋳第１段階における電極リングをガラス原盤に取
り付けた断面図である。第３図のａ，ｂは電鋳第
１段階における電極リングの断面図でｃはａ，ｂ
の上面図である。
符号の説明、１……ガラス原盤、２……レジス
ト膜、３……無電解Ｎｉ膜、４……電鋳用電極リ
ング（従来の又は第２段階）、５……陰極ネジ棒
、６……固定ネジ、７……スペーサー、８……陽
極、９……電鋳第１段階における電極リング、１
０……Ｎｉ電鋳膜（第１段階５μｍ）、１１……
電鋳膜（約０．３mm厚味のスタンパー）、１２…
…中心孔、１３……テーバー面。
FIG. 1 is a sectional view of a conventional electroforming electrode ring attached to a glass master. FIG. 2 is a sectional view of an electrode ring attached to a glass master disk in the first stage of electroforming of the present invention. In Figure 3, a and b are cross-sectional views of the electrode ring in the first stage of electroforming, and c are a and b.
FIG. Explanation of symbols, 1... Glass master disk, 2... Resist film, 3... Electroless Ni film, 4... Electroforming electrode ring (conventional or second stage), 5... Cathode threaded rod, 6... ... Fixing screw, 7 ... Spacer, 8 ... Anode, 9 ... Electrode ring in the first stage of electroforming, 1
0...Ni electroformed film (first stage 5 μm), 11...
Electroformed film (stamper approximately 0.3mm thick), 12...
...Center hole, 13...Taber surface.
Claims (1)
のガラス原盤に取付けた陰極リングにおいて該リ
ングが、ガラス原盤の中心孔のテーバ面にかん合
し、かつテーバ面に沿つた形状を有してなること
を特徴とする電鋳用電極リング。 In a cathode ring attached to a glass master disk in the electroforming process for manufacturing a stamper for optical disks, the ring has a shape that engages with and follows the Taber surface of the center hole of the glass master disk. An electrode ring for electroforming featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6208989U JPH031968U (en) | 1989-05-29 | 1989-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6208989U JPH031968U (en) | 1989-05-29 | 1989-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH031968U true JPH031968U (en) | 1991-01-10 |
Family
ID=31590921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6208989U Pending JPH031968U (en) | 1989-05-29 | 1989-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031968U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62280393A (en) * | 1986-05-28 | 1987-12-05 | Nec Corp | Electrode ring for electroforming |
| JPS6364649A (en) * | 1986-09-04 | 1988-03-23 | Seiko Epson Corp | Manufacture of stamper |
-
1989
- 1989-05-29 JP JP6208989U patent/JPH031968U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62280393A (en) * | 1986-05-28 | 1987-12-05 | Nec Corp | Electrode ring for electroforming |
| JPS6364649A (en) * | 1986-09-04 | 1988-03-23 | Seiko Epson Corp | Manufacture of stamper |
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