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accommodate these new devices, allowing
multiple numbers of driver ICs to be tested in parallel
and delivering higher throughput.
Support for the future tape trends
When considering the components of a driver IC, the cost
ratio of the tape, which serves as the base, accounts
for a relatively high percentage. The M7522 is able to
set the TAB and COF tape feeding direction more
precisely than our conventional model, which was one per
perforation. Now, because contact areas are greatly
reduced and owing to a greater positioning accuracy, the
M7522 affords a reduction in the amount of tape
required. And, because of its highly precise contacts,
the M7522 handler has the ability to support new tape
trends.
Better-production hours
The trend toward higher pin-count devices is creating
challenges for operators, because precision contact is
all the more important and maintaining accurate needle
alignment is critical. In addition, conventional
structures demand that operation be performed at
elevated positions depending on the size of the tester.
Aided by its fully automated capabilities,
easy-to-work-with design and faster mechanical
operation, the M7522 handler provides greater on-line
production time. Furthermore, because the unit examines
the condition of the needle tip prior to cleaning and
positioning, preemptive maintenance is performed and
errors averted.
Rich array of data calculation
functions and modes of operation
The M7522 can provide information useful for production
management such as mapping of a tape required for the
status analysis, category information, and pass ratio.
The M7522 contributes to continuous operation by
providing various operation modes useful for effective
production including the swap test for checking the
status of contacts while automatically moving over DUTs,
the retry mode, and the forward-feed operation.
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