JPH0376679U - - Google Patents
Info
- Publication number
- JPH0376679U JPH0376679U JP1989137950U JP13795089U JPH0376679U JP H0376679 U JPH0376679 U JP H0376679U JP 1989137950 U JP1989137950 U JP 1989137950U JP 13795089 U JP13795089 U JP 13795089U JP H0376679 U JPH0376679 U JP H0376679U
- Authority
- JP
- Japan
- Prior art keywords
- flat surface
- lens
- processing device
- convex
- laser processing
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案集光レンズを具備するレーザ加
工装置の１例の要部の截断面図、第２図は集光レ
ンズの截断面図、第３図は照射面に照射されるレ
ーザ光線の分布図、第４図乃至第７図は夫々他の
実施例を示す集光レンズの截断面図である。
３，３′……集光レンズ、６，６′……凸部、
７，７′……凹部、８……平坦部、９……第１レ
ンズ、１０……第２レンズ。
Fig. 1 is a cross-sectional view of an example of a main part of a laser processing device equipped with a condensing lens of the present invention, Fig. 2 is a cross-sectional view of the condensing lens, and Fig. 3 is a sectional view of the laser beam irradiated onto the irradiation surface. The distribution diagram and FIGS. 4 to 7 are cross-sectional views of condensing lenses showing other embodiments, respectively. 3, 3'... Condensing lens, 6, 6'... Convex part,
7, 7'... Concave portion, 8... Flat portion, 9... First lens, 10... Second lens.
Claims (1)
いる集光レンズであつて、レンズ本体の凸面と逆
側の面を平坦面とすると共に該平坦面中央部に凹
部又は凸部を設けたことを特徴とするレーザ加工
装置用集光レンズ。 ２ レーザ光線を集光すべくレーザ加工装置に用
いる集光レンズであつて、レンズ本体の凸面の中
央部に平坦部を設けたことを特徴とするレーザ加
工装置用集光レンズ。 ３ 片面を凸面とし逆側の面を平坦面とする第１
レンズと、該平坦面に対向する面を平坦面とし逆
側の面を平坦面とすると共にその中央部に凹部又
は凸部を設けた第２レンズとで構成したことを特
徴とするレーザ加工装置用集光レンズ。[Claims for Utility Model Registration] 1. A condensing lens used in a laser processing device to condense laser beams, which has a flat surface on the opposite side to the convex surface of the lens body, and has a concave portion in the center of the flat surface. Alternatively, a condensing lens for a laser processing device, characterized in that it is provided with a convex portion. 2. A condensing lens used in a laser processing device to condense a laser beam, characterized in that a flat portion is provided in the center of the convex surface of the lens body. 3 The first side has one side convex and the opposite side flat.
A laser processing device comprising: a lens; and a second lens having a flat surface facing the flat surface, a flat surface opposite the flat surface, and a concave or convex portion in the center thereof. condensing lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989137950U JPH0376679U (en) | 1989-11-30 | 1989-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989137950U JPH0376679U (en) | 1989-11-30 | 1989-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0376679U true JPH0376679U (en) | 1991-07-31 |
Family
ID=31685083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989137950U Pending JPH0376679U (en) | 1989-11-30 | 1989-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0376679U (en) |
-
1989
- 1989-11-30 JP JP1989137950U patent/JPH0376679U/ja active Pending