hsdl-3600 Avago Technologies, hsdl-3600 Datasheet - Page 27

• Manufacturer Part Number: hsdl-3600
• Description: Irda Compliant 4 Mb/s 3 V Infrared Transceiver - Agilent Hewlett-packard
• Manufacturer: Avago Technologies

3.3 Y-axis Misalignment of
Castellation
In the Y-direction, the unit does
not self align after solder reflow.
It is recommended that the unit
Figure 5.0. Section of a Castellation in Y-axis.
3.4 Example of Good Castellation Solder Joints
Photo 6.0. Good Attachment before Reflow.
This joint is formed when the
printed solder paste volume is
adequate, i.e. 0.30 cubic mm and
reflowed properly. It should be
Rx LENS
Y
Tx LENS
be placed in line with the fiducial
mark. This will enable sufficient
land length to form a good joint.
See Fig. 5.0.
reflowed in IR Hot-air convection
reflow oven. Direction of board
travel does not matter.
FIDUCIAL
EDGE
Photo 7.0. Good Solder Joint after Reflow.
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