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Positive sample micropore processing method and application thereof

A positive sample, micro-hole processing technology, applied in the direction of metal processing equipment, test sample preparation, sampling, etc., can solve the problems of high labor cost, time-consuming and laborious, high scrap rate, etc., to achieve reduced scrap rate, accurate analysis, avoid harsh effects

Pending Publication Date: 2021-06-08
上海微谱检测科技集团股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The diameter of the micropores obtained by laser drilling is on the order of microns. However, the positive glass processed with the same laser parameters shows a distribution of different pore diameters. The holes are not ideal cylindrical or other regular holes, and there may be defects such as edge cracking. Resulting in a high scrap rate, high labor costs, time-consuming and labor-intensive samples

Method used

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  • Positive sample micropore processing method and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] Embodiment 1 of the present invention provides a kind of positive sample micropore processing method, specifically as follows:

[0064] (1) Scanning electron microscope-X-ray energy spectrometer to measure the composition of soda-lime glass, and apply ultrasonic coupling agent to the area to be measured, and use a thickness gauge to analyze the thickness of soda-lime glass;

[0065] (2) Use a laser microhole processing instrument to process microholes in the region where the relative content difference of each element of the soda lime glass is 0-2wt% and the thickness difference is 0-0.02mm.

[0066] The linear thermal expansion coefficient of the soda lime glass at 20-300°C is 8×10 -6 K -1 .

[0067] The parameter conditions for the scanning electron microscope-X-ray energy spectrometer to determine the composition of the soda lime glass are: voltage 15KV, count rate 15cps, scanning time 2min.

[0068] The ultrasonic coupling agent is purchased from Jinnuote Medical...

Embodiment 2

[0070] Embodiment 2 of the present invention provides a kind of positive sample micropore processing method, specifically as follows:

[0071] (1) Scanning electron microscope-X-ray energy spectrometer to measure the composition of soda-lime glass, and apply ultrasonic coupling agent to the area to be measured, and use a thickness gauge to analyze the thickness of soda-lime glass;

[0072] (2) Use a laser microhole processing instrument to process microholes in the region where the relative content difference of each element of the soda lime glass is 2-4wt% and the thickness difference is 0-0.03mm.

[0073] The linear thermal expansion coefficient of the soda lime glass at 20-300°C is 8×10 -6 K -1 .

[0074] The parameter conditions for the scanning electron microscope-X-ray energy spectrometer to determine the composition of the soda lime glass are: voltage 15KV, count rate 15cps, scanning time 4min.

[0075] The ultrasonic coupling agent is purchased from Jinnuote Medical...

Embodiment 3

[0077] Embodiment 3 of the present invention provides a kind of positive sample micropore processing method, specifically as follows:

[0078] (1) Scanning electron microscope-X-ray energy spectrometer to measure the composition of soda-lime glass, and apply ultrasonic coupling agent to the area to be measured, and use a thickness gauge to analyze the thickness of soda-lime glass;

[0079] (2) Use a laser microhole processing instrument to process microholes in the region where the relative content difference of each element of the soda lime glass is 0-1wt% and the thickness difference is 0-0.01mm.

[0080] The linear thermal expansion coefficient of the soda lime glass at 20-300°C is 8×10 -6 K -1 .

[0081] The parameter conditions for the scanning electron microscope-X-ray energy spectrometer to determine the composition of the soda lime glass are: voltage 15KV, count rate 15cps, scanning time 3min.

[0082] The ultrasonic coupling agent is purchased from Jinnuote Medical...

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Abstract

The invention relates to the field of positive sample micropore machining, in particular to a positive sample micropore machining method and application thereof. The positive sample micropore machining method comprises the following steps that 1, a scanning electron microscope-X-ray energy disperse spectroscopy is used for measuring components of a positive sample, and / or a thickness gauge is used for conducting thickness analysis on the positive sample; and (2) micropore processing is performed by using a laser micropore processing instrument. According to the positive sample micropore machining method, the success rate of laser micropore machining is ensured, meanwhile, the phenomena of micropore edge roughness, edge breakage, cracks and the like can be reduced, the uniformity of the pore diameter is further ensured, and the labor cost is reduced.

Description

technical field [0001] The invention relates to the field of positive sample micropore processing, and more specifically, the present invention relates to a positive sample micropore processing method and application thereof. Background technique [0002] Microwells have a wide range of applications in fields such as microfluidics, biomedicine, and leak testing. Due to the needs of practical applications, the characteristics of the depth-to-diameter ratio, quality, and precision of micropores play a vital role in these studies. For example, in the sealing test, it is necessary to process microholes with high aspect ratio on the medicine bottle, the diameter of the holes is about 3 microns, and the depth is greater than 500 microns. [0003] Positive samples generally use laser drilling to artificially prepare micropores on standard and intact pharmaceutical packaging. The diameter of the micropores obtained by laser drilling is on the order of microns. However, the positiv...

Claims

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Application Information

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IPC IPC(8): G01N1/28G01N23/2251G01N23/227G01B21/08B23K26/382
CPCG01N1/286G01N23/2251G01N23/227G01B21/08B23K26/382
Inventor 张晓科秦秋明杨佳佳
Owner 上海微谱检测科技集团股份有限公司
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