JPH0263961U - - Google Patents
Info
- Publication number
- JPH0263961U JPH0263961U JP1988144085U JP14408588U JPH0263961U JP H0263961 U JPH0263961 U JP H0263961U JP 1988144085 U JP1988144085 U JP 1988144085U JP 14408588 U JP14408588 U JP 14408588U JP H0263961 U JPH0263961 U JP H0263961U
- Authority
- JP
- Japan
- Prior art keywords
- glass plate
- outer periphery
- plate
- holder
- circular glass
- 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
- 239000011521 glass Substances 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Manufacturing Optical Record Carriers (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Description
第１図は本考案の一実施例の平面図、第２図は
第１図の実施例のＡ―Ａ′線断面図、第３図は従
来の研磨治具の一例の断面図である。
１……ガラス板、１ａ……凹部、２……ガラス
板ホルダー、２ａ……凸部、３……光デイスクス
タンパ、４……外周ホルダー、５，５ａ……定盤
、１１……ガラス板、１２……ガラス板ホルダー
、１４……外周ホルダー、１５……すべり止め。
FIG. 1 is a plan view of an embodiment of the present invention, FIG. 2 is a sectional view taken along line AA' of the embodiment of FIG. 1, and FIG. 3 is a sectional view of an example of a conventional polishing jig. DESCRIPTION OF SYMBOLS 1...Glass plate, 1a...Concave part, 2...Glass plate holder, 2a...Convex part, 3...Optical disk stamper, 4...Perimeter holder, 5, 5a...Surface plate, 11...Glass plate , 12...Glass plate holder, 14...Outer holder, 15...Slip prevention.
Claims (1)
板と、該円形ガラス板の底面と密着する定盤と、
前記円形ガラス板を外側から保持しかつ前記凹部
にかみ合う凸部を内周に有し前記定盤に固定され
ているドーナツ状のガラス板ホルダーと、前記定
盤の外周に固定される外周ホルダーとを含むこと
を特徴とする研磨治具。 a circular glass plate having at least one recess on the outer periphery; a surface plate that is in close contact with the bottom surface of the circular glass plate;
a donut-shaped glass plate holder that holds the circular glass plate from the outside and has a protrusion on the inner periphery that engages with the recess and is fixed to the surface plate; and an outer periphery holder that is fixed to the outer periphery of the surface plate. A polishing jig comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988144085U JPH0627333Y2 (en) | 1988-11-02 | 1988-11-02 | Polishing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988144085U JPH0627333Y2 (en) | 1988-11-02 | 1988-11-02 | Polishing jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0263961U true JPH0263961U (en) | 1990-05-14 |
| JPH0627333Y2 JPH0627333Y2 (en) | 1994-07-27 |
Family
ID=31411480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988144085U Expired - Lifetime JPH0627333Y2 (en) | 1988-11-02 | 1988-11-02 | Polishing jig |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0627333Y2 (en) |
-
1988
- 1988-11-02 JP JP1988144085U patent/JPH0627333Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0627333Y2 (en) | 1994-07-27 |