Method for testing micro SD devices using each test circuits

Details Method for testing micro SD devices using each test circuits Method for testing micro SD devices using each test circuits

2007-04-12

2008-10-28

Patel, Paresh (Department: 2829)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

C324S754090

Reexamination Certificate

active

07443190

ABSTRACT:
A method for testing micro SD devices each having a plurality of electrical leads is described. The method utilizes industry standard JEDEC trays and tests at least a predetermined portion of the devices in such trays at the same time. The method of the illustrative embodiment include the steps of: providing a test hive comprising a plurality of test circuits corresponding in number to at least a predetermined portion of said cells and comprising a plurality of groups of test contacts, each group of said groups of test contacts being coupled to one of said test circuits and being oriented to engage said plurality of electrical contacts of a micro SD device disposed in a corresponding one of said cells; moving each said tray from said stack one at a time to a position proximate said test hive; causing relative movement of said tray proximate said test hive whereby said test hive engages said tray of micro SD device and said test hive such that electrical connection is made simultaneously by each of said groups of test contacts with said electrical contacts of a micro SD device disposed in said corresponding of said cells; and simultaneously, electrically testing at least a predetermined portion of said micro SD devices in each tray engaged by said hive without removing said micro SD devices from said tray.

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patent: 6476629 (2002-11-01), Bjork
patent: 6866470 (2005-03-01), Peterson et al.
patent: 2007/0210811 (2007-09-01), Cojocneanu et al.

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