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Disclosed is a method that uses a quick latch mechanism and combined package types to improve upon the JLSI package conversion process. Benefits include a reduction in
English (United States)
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Plug and Play JLSI Test Handler
Conversion Kit for Quick Package Conversion Between Different Packaging Sizes
Disclosed is a method that uses a quick latch mechanism and
combined package types to improve upon the JLSI package conversion process.
Benefits include a reduction in
Currently, conversions are accomplished by manually
switching package types at the turntable, and by removing and replacing a
number of screws and brackets at the load and unload slide pockets. This creates
a lengthy package-to-package conversion time for the JLSI test handler
(i.e. at least four hours per conversion).
The “turntable” is a mechanism in the test handler’s chamber area that
pre-soaks the product to the correct test temperature.
The following are the two key elements of the disclosed
latch mechanism. This mechanism uses two spring latches to hold each
of the load and unload slide pockets (see Figure 1). The load and unload slides contain recess
holes so that the ball plunger from the spring latch can sit firmly, and
hold the pocket in place during operation. To remove and change the
pockets, a slight force at the base should be sufficient to overcome the
spring tension of the latches.
package types. Two package
types are built into the turntable wheel, and a sensor plate unit is
introduced for separation (see Figure 2). A screw holds the sensor plate
in place during operation. For change over, releasing the screw...