JPS60146369U

JPS60146369U - Laser diode airtight seal cap

Info

Publication number: JPS60146369U
Application number: JP3284984U
Authority: JP
Inventors: 吉明立川; 利彦杉江; 菅沼　ルミ子; 三宅　良雄; 渡辺　弘光; 竹居　敏夫
Original assignee: 日本電信電話株式会社; 三菱電機株式会社
Priority date: 1984-03-07
Filing date: 1984-03-07
Publication date: 1985-09-28

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の球レンズを固定したレーザダイオード気
密シール用キャップの断面図、第２図はこの考案のレー
ザダイオード気密シール用キャップの一実施例の断面図
であって、第２図ａは球レンズを固定する前の状態を示
す図、第２図すは球レンズをガシメて固定した状態を示
す図、第３図は第２図に示したレーザダイオード気密シ
ール用キャップをレーザダイオードをマウントしたヘッ
ダに気密シール溶接した状態の断面図、第４図はこの考
案の他の実施例の断面図である。図中、１は窓、２はレーザダイオードの気密封止用キャ
ップ、３は球レンズ、４は樹脂系接着剤、５は孔、６は
カシメ用の薄肉部、７はレーザダイオード、８はヘッダ
、９は屈折率分布形レンズである。なお、図中、同一あ
るいは相当部分には同一符号を付して示しである。ｒ′″ ど“FIG. 1 is a sectional view of a conventional laser diode airtight sealing cap to which a ball lens is fixed, and FIG. 2 is a sectional view of an embodiment of the laser diode airtight sealing cap of this invention. Figure 2 shows the state before fixing the ball lens, Figure 2 shows the state where the ball lens has been tightened and fixed, Figure 3 shows the laser diode airtight sealing cap shown in Figure 2 mounted on the laser diode. FIG. 4 is a sectional view of another embodiment of this invention. In the figure, 1 is a window, 2 is a cap for hermetically sealing the laser diode, 3 is a ball lens, 4 is a resin adhesive, 5 is a hole, 6 is a thin part for caulking, 7 is a laser diode, and 8 is a header. , 9 are gradient index lenses. In the drawings, the same or corresponding parts are designated by the same reference numerals. r′″ d“

Claims

[Scope of utility model registration request]

A cap for airtight sealing of a laser diode package has a hole in the center of the cap, one end of the hole is provided with a window for extracting light from the laser diode, and the end opposite to this window is a thin wall that serves as a caulking pawl. A cap for airtight sealing of a laser diode, characterized in that the lens is inserted into the hole and the lens is fixed by caulking the thin walled part of the entrance.