Optical transmitter package assembly including lead frame having

Details Optical transmitter package assembly including lead frame having Optical transmitter package assembly including lead frame having

1996-06-28

1998-09-15

Jackson, Jerome

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

With housing or contact structure

257100, 257666, H01L 3300

Patent

active

058083251

ABSTRACT:
A package assembly (31) has a leadframe (10) including a locating flange (30), an optical transmitter (22) such as a laser diode mounted to the leadframe, and a package (32) enclosing both the optical transmitter and a portion of the leadframe so that the locating flange of the leadframe is disposed outside of the package. The locating flange is used as a reference datum to align the optical transmitter's relative height and lateral position during manufacture. Also, the locating flange is used as a reference datum in mating the package assembly to other, standard optical components when mounting to other components in an optical end product.

REFERENCES:
patent: 3805347 (1974-04-01), Collins et al.
patent: 4768070 (1988-08-01), Takizawa et al.
patent: 5384471 (1995-01-01), Schairer et al.
patent: 5434939 (1995-07-01), Matsuda
patent: 5614735 (1997-03-01), Kitamura et al.

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