Method for assembling a magnetic disk drive with a relaying flex

Details Method for assembling a magnetic disk drive with a relaying flex Method for assembling a magnetic disk drive with a relaying flex

1999-03-04

2000-08-08

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360 9701, G11B 542

Patent

active

060982713

ABSTRACT:
A method for assembling a magnetic disk drive with a relaying flexible printed circuit sheet and an actuator includes shaping at least one metal bump to form a first terminal on the relaying flexible printed circuit sheet. The shape of the metal bump determines the amount of solder that will adhere to the metal bump. This amount must be adequate to form an efficient electrical and mechanical connection between the first terminal and a second terminal on the actuator. The next step is laying solder on the metal bump so that the adequate amount of solder remains on the metal bump and forms a solder layer. After the solder layer is formed on the metal bump, the first terminal is placed on the second terminal so that the solder is squeezed between the first and second terminals.

REFERENCES:
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patent: 5119168 (1992-06-01), Misawa
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patent: 5343344 (1994-08-01), Nagase
patent: 5422764 (1995-06-01), McIlvanie
patent: 5433822 (1995-07-01), Mimura et al.
patent: 5519552 (1996-05-01), Kohira et al.
patent: 5631786 (1997-05-01), Erpelding

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