Direct mounting method for semiconductors

Details Direct mounting method for semiconductors Direct mounting method for semiconductors

1987-08-07

1990-01-30

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Electrical device making

29833, 29720, 29740, H05K 334

Patent

active

048964182

ABSTRACT:
A method for placing reverse mounted semiconductor bars on a lead frame wherein the semiconductor bar is placed in the target area and accurately position by an alignment system including a video camera which views the semiconductor bar, through a transparent stage for positioning the bar for mounting, during the time of placement of the bar, and optionally a second video camera is used to monitor the position of the lead frame during mounting.

REFERENCES:
patent: 4667402 (1987-05-01), Wilde
patent: 4797994 (1989-01-01), Michaud et al.

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