Test chip [Large general-purpose]
General-purpose test chip with a larger chip size than JTEG Phase 0 ■ Wafer size ... 8-inch wafer ■ Base chip size ... 3.5mm × 3.5mm ■ Pad pitch ... 120μm ■ Number of pads ... 96 bumps (the inner pads do not have aluminum pads opened) ■ Compatible bump process ... gold stud bump ■ Compatible substrate ... none ■ Options ... bump mounting / dicing processing / back grinding processing ■ Main applications Material development, equipment development, package development Process startup/development, promotional data acquisition, etc.
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basic information
The JTEG and JKIT from Hitachi Ultra LSI Systems, which we are introducing here, ceased production of all products as of December 2009. For the latest information on Well's original open TEG chip "JCHIP," please visit: http://well-teg.jp/
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Applications/Examples of results
Our test chips are developed as standard TEG chips compatible with various methods for SIP development, PKG development, implementation process development, PCB substrate development, implementation and inspection equipment development, and material development applications, and are already used by over 200 customers both domestically and internationally. We also accept requests for the creation of custom chips with special specifications.
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Company information
Well develops and implements a packaging solution business centered on test chips for advanced implementation evaluation, covering everything from bare chip packaging equipment development and contract implementation to reliability evaluation. ~ Corporate Philosophy ~ ■ With "Profitable Relationship" as the core of our management philosophy, we aim to be a company that contributes to the prosperity of our customers and the development of the globally expanding electronics components industry. ■ Through the provision of products that support next-generation semiconductor packaging development, we contribute to the promotion of our customers' development and the enhancement of their profits. ■ We aim to create valuable markets by providing "innovative products" and "cutting-edge services."
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