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Chip surface character detection system

A detection system and chip technology, applied in sorting, instruments, etc., can solve the problems of low efficiency of chip production and testing, restrictions on large-scale automatic production of chips, and high labor costs

Inactive Publication Date: 2022-03-15
成都爱旗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at present, in the process of chip production and testing, it is still necessary to manually sort the chips and distinguish different types of chips by naked eyes, resulting in low production and testing efficiency of chips and high labor costs, which restricts large-scale automated production of chips

Method used

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Embodiment Construction

[0023] In order to clearly describe the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, words such as "first" and "second" are used to distinguish the same or similar items with basically the same function and effect. For example, the first threshold and the second threshold are only used to distinguish different thresholds, and their sequence is not limited. Those skilled in the art can understand that words such as "first" and "second" do not limit the number and execution order, and words such as "first" and "second" do not necessarily limit the difference.

[0024] It should be noted that, in the present invention, words such as "exemplary" or "for example" are used as examples, illustrations or illustrations. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "ex...

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Abstract

The invention discloses a chip surface character detection system, relates to the technical field of chip production and testing, and aims to realize automatic sorting of chips and improve the production and testing efficiency of the chips. The system comprises a character recognition device, a first conveying device, a second conveying device and a control device. The control device is used for controlling the first conveying device to convey the chips to the recognition area of the character recognition device according to the preset conveying rate. The control device is further used for controlling the character recognition device to obtain a first image of the characters on the upper surface of the chip in the recognition area according to a preset recognition rate. Wherein the character recognition device is used for sequentially carrying out image binarization processing and image segmentation on the first image to obtain a plurality of character areas, and respectively matching the plurality of character areas with a preset character template to determine surface character detection information of the chip. And the control device is used for controlling the second conveying device to convey the chip to a target position according to the surface character detection information.

Description

technical field [0001] The invention relates to the technical field of chip production and testing, in particular to a chip surface character detection system. Background technique [0002] A chip is a general term for semiconductor components and products. Its essence is an integrated circuit, which is a miniaturized way of manufacturing circuits on the surface of a semiconductor wafer. State-of-the-art integrated circuits are at the heart of microprocessors, or multi-core processors, that control computers, cell phones, and a variety of smart home devices. Therefore, the development of chips also directly determines the development of smart devices. During the manufacturing process of the chip, a silk screen image will be added on the surface of the chip. The silk screen image usually represents the manufacturer name code, chip model code, version, internal code, date of manufacture or batch of the chip. [0003] In the context of increasing investment in chip R&D and pr...

Claims

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Application Information

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IPC IPC(8): G06V30/148B07C5/36B07C5/34
CPCB07C5/34B07C5/36B07C2301/0008
Inventor 廖红杨涛
Owner 成都爱旗科技有限公司
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