Method for assembling a magnetic disk drive with a relaying flexible printed circuit sheet
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United States of America Patent
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-
Aug 8, 2000
Issued Date -
N/A
app pub date -
Mar 4, 1999
filing date -
Oct 4, 1994
priority date (Note) -
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status (Latency Note)
Importance
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.
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