Probe card of using information code to identify and method thereof

An information code and probe card technology, which is applied in the field of probe cards identified by information codes, can solve the problems of high risk of reading errors, increased workload, and troublesome testing, and achieves reduced expenditure, cost savings, and guaranteed identification. Effect

Active Publication Date: 2016-05-25
SHANGHAI HUALI MICROELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing technology uses radio frequency identification technology (RFID) to identify the WAT test probe card, and there will be several problems: the RFID is not firmly bonded, the glue is aging, and the manufacturer is easy to drop or lose the RFID when PMing the probe card. Not only does it add a lot of extra workload, but it is also likely to cause wrong RFID sticking between different probe cards, which brings trouble to the test; the probe card is easy to drop during the test, which may cause machine downtime, and

Method used

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  • Probe card of using information code to identify and method thereof
  • Probe card of using information code to identify and method thereof

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[0029] The specific embodiments of the present invention will be further described below in conjunction with the drawings.

[0030] Such as figure 1 As shown, the present invention is proposed in this embodiment, and the present invention provides a method for identifying a probe card using an information code, including:

[0031] S1: Use the information code generator to convert the information of the probe card into an information code;

[0032] S2: Scan the information code on the probe card;

[0033] S3: Install an information code recognizer on the test head;

[0034] S4: Use the information code identifier to read the information code on the probe card;

[0035] S5: Use an information code decoder to convert the information code into information of the probe card.

[0036] Preferably, the position where the information code is scanned on the probe card is the surface of the PCB substrate of the probe card.

[0037] Preferably, the position where the information code identifier is ins...

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Abstract

The invention relates to the automatic identification field and especially relates to a probe card of using an information code to identify and a method thereof. Identification of the probe card is ensured, consequences of conditions that an existing RFID is easy to drop and lose and so on are avoided, simultaneously, cost needed for purchasing the RFID is saved, an expense of a probe card portion needed by a WAT test is reduced and errors caused by the probe card during processes of manufacturer maintenance and the like are decreased.

Description

technical field [0001] The invention relates to an automatic identification technology, in particular to a probe card and method for identification by using an information code. Background technique [0002] Radio frequency identification, RFID (Radio Frequency Identification) technology, also known as radio frequency identification, is a communication technology that can identify specific targets through radio signals and read and write related data without the need for mechanical or optical contact between the identification system and specific targets. The difference in resistance value of the resistor also determines that it can be applied to industrial identification. [0003] The existing technology uses radio frequency identification technology (RFID) to identify the WAT test probe card, and there will be several problems: the RFID is not firmly bonded, the glue is aging, and the manufacturer is easy to drop or lose the RFID when PMing the probe card. Not only does i...

Claims

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Application Information

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IPC IPC(8): G01R1/073G01R31/00
Inventor 谢翠萍莫保章
Owner SHANGHAI HUALI MICROELECTRONICS CORP
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