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02. Precautions for product design
02-1. Considerations in mechanical design
1) Position of the connector on a board
Rigid boards tend to warp in a direction perpendicular to the rolling direction
during the production process. Poor soldering may occur depending on the
warping direction. Make sure to place the connector in a direction which reduces
warpage.
Tends to warp in the
manufacturing (lateral) direction.
2) Position of the connector in the mounting process
Design multi-pin connector layouts that do not require a swinging movement
during pickup and mounting.
In many cases, deviation of the connector mounting position is caused by the
inertia of the swinging movement of the mounter. A layout that does not require
swinging is thus required.
●Example of a connector layout requiring a swinging movement in the mounting process
Embossed tape
Panasonic Corporation
industrial.panasonic.com/ac/e/
Operation manual for Narrow-pitch connectors A4S
This space causes poor
soldering.
Pickup and mounting positions
Connector
Connector
- 3 -
Poor soldering can be reduced by
designing a mounting pattern to place
the connector in a lateral direction.
×
△
Rotary inertia is applied
○
No rotation inertia
©
Panasonic Corporation 2015
Motherboard
ACCTF6E-2 201506
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