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Handler Production Emulation & Optimization Software

IP.com Disclosure Number: IPCOM000237151D
Publication Date: 2014-Jun-05

Publishing Venue

The IP.com Prior Art Database

Abstract

A method to achieve real-time dynamic emulation of handler production that matches actual handler performance. The method accurately predicts handler production capacity, brings forth optimal handler configuration to improve production, utilization rate of factory test equipment, and better arranges production but needs no handler.

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Handler Production Emulation & Optimization Software

ABSTRACT

A method to achieve real-time dynamic emulation of handler production that matches actual handler performance. The method accurately predicts handler production capacity, brings forth optimal handler configuration to improve production, utilization rate of factory test equipment, and better arranges production but needs no handler.

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Handler Production Emulation & Optimization Software

Nowadays electronic equipment is everywhere.  Such equipment always contains many electronic components, such as integrated circuit chips (IC).  Thousands of ICs are designed and produced by many manufacturers around the world.  ICs must be tested before being packaged and shipped to customers.  Handlers are the equipment that automatically perform tests that are thought to be the final process of IC manufacture.  There are many different handlers used by manufactures around the world.

Handlers need to be setup properly for different IC test environments.  Handler setup equips the handler with the correct hardware and software.  Different handlers should have similar setup processes.  Take CASTLE handler (manufactured by Delta Design, a division of Cohu, Inc.) for example, setup contains kit setting, thermal setting and handler setting.  Kit is a series of hardware that accommodates, holds or handles IC during test process and includes a boat, chuck, tray, etc. (Other manufactures may have different names of components for their handlers.) Thermal setting contains soak, de-soak time, etc., which have effect on handler performance. Handler setting contains a series software configurations, such as motor velocity, acceleration and displacement, motion sequence, motion and sensor delays and some other essential configurations. Meanwhile different IC has different test time (CPU time), bin setting and different yield.  The handler must be setup for the corresponding IC to make up the test environment. Different handler configurations bring forth different production efficiencies, for example higher motor acceleration or velocity, less soak or de-soak time, higher parallelism of test site always mean higher production, but not absolutely and these parameters have restrictions. There are quite a few parameters that directly or indirectly affect handler performance. All these parameters make up the IC test environment. Obviously a proper combination of these parameters brings forth higher production capacity and helps improve the utilization rate of factory test equipment, which makes a huge contribution to the factory.  It would be advantageous to have a method to optimize the IC test environment. Normally, in the factory, in order to predict handler performance for some specific IC, the handler has to be setup to practice it. Practice has several disadvantages:

A.     Time-consuming.

For handler setup, firstly the user has to select the right components of kit, also take CASTLE handler fo...