JPS6187912U - - Google Patents
Info
- Publication number
- JPS6187912U JPS6187912U JP17281884U JP17281884U JPS6187912U JP S6187912 U JPS6187912 U JP S6187912U JP 17281884 U JP17281884 U JP 17281884U JP 17281884 U JP17281884 U JP 17281884U JP S6187912 U JPS6187912 U JP S6187912U
- Authority
- JP
- Japan
- Prior art keywords
- stamper
- mold
- disk substrate
- center
- injected
- 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
- 239000000758 substrate Substances 0.000 claims description 4
- 239000012778 molding material Substances 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
Description
第１図は従来のデイスク基板成形用金型の正面
図、第２図は第１図Ａの部分の拡大断面図、第３
図はスタンパの正面図、第４図は芯ずれの説明図
、第５図は本考案の実施例に係るスタンパホルダ
の正面図、第６図はスタンパホルダと金型の関係
を示す断面図である。
１…金型の一方、２…金型のもう一方、３…キ
ヤビテイ、４…スタンパ、４ａ…スタンパ内径、
４ｂ…信号溝あるいは信号ピツトの内周部、４ｃ
…信号溝あるいは信号ピツトの外周部、４ｄ…ス
タンパ外径、５…スタンパホルダ、５ａ…スタン
パとの当接部、５ｂ…金型との当接部、６…デイ
スク基板の中心穴の中心、７…信号溝あるいは信
号ピツトの中心、８…芯ずれ、９ａ…スタンパと
の当接部５ａの中心、９ｂ…金型との当接部５ｂ
の中心、１０…９ａと９ｂとの距離。
Figure 1 is a front view of a conventional disk substrate mold, Figure 2 is an enlarged sectional view of the part A in Figure 1, and Figure 3 is an enlarged sectional view of the part A in Figure 1.
The figure is a front view of the stamper, Figure 4 is an explanatory diagram of misalignment, Figure 5 is a front view of the stamper holder according to the embodiment of the present invention, and Figure 6 is a sectional view showing the relationship between the stamper holder and the mold. be. 1... One side of the mold, 2... The other side of the die, 3... Cavity, 4... Stamper, 4a... Stamper inner diameter,
4b...Inner circumference of signal groove or signal pit, 4c
... Outer circumference of signal groove or signal pit, 4d... Outer diameter of stamper, 5... Stamper holder, 5a... Contact part with stamper, 5b... Contact part with mold, 6... Center of center hole of disk substrate, 7... Center of the signal groove or signal pit, 8... Misalignment, 9a... Center of the contact portion 5a with the stamper, 9b... Contact portion 5b with the mold
center, 10...distance between 9a and 9b.
Claims (1)
と、スタンパを取り付けたもう一方の金型によつ
て形成し、成形材料を注入後、冷却工程中に金型
に組込まれたポンチによりデイスク基板の中心穴
を設ける構成とし、スタンパの中心を支持するス
タンパホルダのスタンパと当接する部分を偏心さ
せたことを特徴とするデイスク基板成形用金型。 The cavity into which the molding material is injected is formed by one mold and the other mold to which the stamper is attached. After the molding material is injected, the disk substrate is punched by a punch built into the mold during the cooling process. 1. A mold for forming a disk substrate, characterized in that a center hole is provided, and a portion of a stamper holder that supports the center of the stamper that comes into contact with the stamper is eccentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17281884U JPS6187912U (en) | 1984-11-14 | 1984-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17281884U JPS6187912U (en) | 1984-11-14 | 1984-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6187912U true JPS6187912U (en) | 1986-06-09 |
Family
ID=30730477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17281884U Pending JPS6187912U (en) | 1984-11-14 | 1984-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6187912U (en) |
-
1984
- 1984-11-14 JP JP17281884U patent/JPS6187912U/ja active Pending
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