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Laser pulse single particle effect simulation system

A single event effect and simulation system technology, applied in the field of laser pulse single event effect simulation system, can solve the problems of high price, difficult industrial application requirements, high test cost, etc., to reduce the cost of use, improve the test speed, and solve the problem of electrostatic protection Effect

Active Publication Date: 2014-01-29
北京中科微投资管理有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Accelerator, the main test equipment for single event effect, is expensive, short of machine time, and high in testing costs. It is mainly used for product assessment, and it is difficult to meet the requirements of fine research.
In order to solve this problem, the U.S. Naval Laboratory (NRL) developed a laser pulse single event effect test system, which greatly supports the research work of single event effects, but unfortunately, due to the need for a stage to move To realize laser scanning in different areas of the device, the device needs to be installed on the RF package, which greatly increases the cost of use, and cannot solve the problem of electrostatic damage, thus limiting the use of this technology for device reference, and it is difficult to meet the needs of industrial applications

Method used

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  • Laser pulse single particle effect simulation system
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Embodiment Construction

[0062] In order to deeply understand the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0063] See attached figure 1 , the laser pulse single event effect simulation system provided by the present invention includes an ultrafast laser pulse generation system 10, a test system 20 and a controller 40;

[0064] The ultrafast laser pulse generation system 10 includes an ultrafast laser 11, an electronically controlled attenuator 12, a first beam splitter 13, an illumination source 14, a piezoelectric ceramic rotating table 16, an optical focusing system 17, and a camera 15, wherein the piezoelectric ceramic rotating The second beam splitter 18 is housed on the stage 16, and the optical focusing system 17 includes an objective lens;

[0065] The test system 20 includes a device under test 32, a first electronically controlled displacement stage 31, and a second DC power supply 34,...

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Abstract

The invention discloses a laser pulse single particle effect simulation system which belongs to an integrated circuit radiation technology field. The simulation system comprises: an ultrafast laser pulse generation system, a test system and a controller. In the simulation system, a piezoelectric ceramic rotary table is used. Through a rotation ability of the piezoelectric ceramic rotary table, a laser can accurately scan on a detected device. In the laser pulse single particle effect test system, the scanning can be realized only if a displacement table and a chip installed on the table are moved. By using the system of the invention, the above problem can be solved.

Description

technical field [0001] The invention relates to the technical field of integrated circuit radiation, in particular to a laser pulse single event effect simulation system. Background technique [0002] The single event effect hardening level of integrated circuits is one of the important indicators of radiation-resistant integrated circuits. Accelerator, the main test equipment for single event effect, is expensive, lacks machine time, and high test cost. It is mainly used for product assessment, and it is difficult to meet the requirements of fine research. In order to solve this problem, the U.S. Naval Laboratory (NRL) developed a laser pulse single event effect test system, which greatly supports the research work of single event effects, but unfortunately, due to the need for a stage to move To realize laser scanning in different areas of the device, the device needs to be installed on the radio frequency package, which greatly increases the cost of use, and cannot solv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/311
Inventor 曾传滨高林春毕津顺罗家俊韩郑生
Owner 北京中科微投资管理有限责任公司
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