JPH01181136U - - Google Patents
Info
- Publication number
- JPH01181136U JPH01181136U JP7871388U JP7871388U JPH01181136U JP H01181136 U JPH01181136 U JP H01181136U JP 7871388 U JP7871388 U JP 7871388U JP 7871388 U JP7871388 U JP 7871388U JP H01181136 U JPH01181136 U JP H01181136U
- Authority
- JP
- Japan
- Prior art keywords
- stamper
- turntable
- molding
- utility
- inspection apparatus
- 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
- 238000007689 inspection Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Description
第１図は本考案の一実施例を示す概略構成図、
第２図はスタンパの反りを誇張した断面図、第３
図は反りを有するスタンパを平面上に吸着固定し
たときの極部変形を示す断面図、第４図は本考案
の応用例を示す概略構成図、第５図は従来例を示
す概略構成図である。
２……スタンパ、１１，５１……ターンテーブ
ル、１２……斜面部、１３，５６……光ピツクア
ツプ。
FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention;
Figure 2 is a sectional view exaggerating the warpage of the stamper;
The figure is a cross-sectional view showing polar part deformation when a warped stamper is suctioned and fixed on a flat surface, Figure 4 is a schematic configuration diagram showing an application example of the present invention, and Figure 5 is a schematic configuration diagram showing a conventional example. be. 2... Stamper, 11, 51... Turntable, 12... Slanted section, 13, 56... Optical pickup.
Claims (1)
生検査装置で、前記スタンパを回転保持するター
ンテーブルにおいて、スタンパの載置面を円錐状
の斜面とした情報記録担体用スタンパの再生検査
装置。 An information reproducing inspection apparatus for a stamper used for molding an information recording carrier, wherein a turntable for rotationally holding the stamper has a conical sloped surface on which the stamper is placed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7871388U JPH01181136U (en) | 1988-06-14 | 1988-06-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7871388U JPH01181136U (en) | 1988-06-14 | 1988-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01181136U true JPH01181136U (en) | 1989-12-27 |
Family
ID=31303617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7871388U Pending JPH01181136U (en) | 1988-06-14 | 1988-06-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01181136U (en) |
-
1988
- 1988-06-14 JP JP7871388U patent/JPH01181136U/ja active Pending
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