Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Glass-metalsealed radio-frequency connector surface treatment method

A radio frequency connector and metal sealing technology, which is used in the surface treatment of glass-to-metal sealed radio frequency connectors, and the surface treatment field of improving the insulation resistance of glass-to-metal sealed connectors, which can solve operator and environmental hazards, thermal expansion curve It can improve the anti-discoloration and corrosion resistance, avoid further corrosion, and improve the processing efficiency.

Inactive Publication Date: 2018-12-18
XIAN SEAL ELECTRONICS MATERIAL TECH CO LTD
View PDF9 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Whether it is matching sealing or non-matching sealing, after the sealing is completed, the resistance insulation performance requirements of the RF connector must be met. Generally, the insulation resistance is required to be greater than 5000MΩ (DC: 500V). If the insulation resistance does not meet the minimum requirements for use, In the subsequent use of components, there will be hidden dangers of short circuit and excessive leakage current. Therefore, it is necessary to ensure that the insulation resistance of the RF connector is greater than 5000MΩ (DC: 500V) during use.
[0004] However, due to some natural defects in the sealing process of glass and metal, for example, the thermal expansion curves of glass and metal cannot be completely matched. After the sealing is completed, the glass will bear a certain amount of stress, and the severe one will cause some micro cracks on the glass surface. At the same time, the glass body is sintered at a certain temperature by combining a certain number of glass powder and a binder, and there will be a certain number of pores inside the glass body.
Before electroplating, these defects are not enough to affect the electrical insulation performance of the device. After the electroplating is completed, the insulation resistance of the RF connector will often be greatly reduced, usually to 30-800MΩ (DC: 500V), which cannot reach RF Performance requirements of connectors for insulation resistance
Wherein CN10142333A discloses a surface treatment method for improving the insulation resistance of glass-to-metal seals, the method mainly involves immersing the metal seals after electroplating in a solution with a mass concentration of 10% for 10 minutes, and then passing through alcohol ultrasonic, oven After steps such as drying, the insulation resistance of the seal can be increased to 500MΩ (DC: 500V), but this method takes a long time and has low efficiency; literature (Jiang Pengtao, Yan Baofeng, etc. Treatment measures for the reduction of insulation resistance after electroplating of stainless steel seals [J]. Electroplating and Finishing, 2011,33(12):21-24.) describes a treatment method for improving the insulation resistance of stainless steel sealing parts after electroplating. After the completion, use ammonia water and other solutions to neutralize the sealed device to improve the insulation resistance of the sealed device. Although the process is relatively simple, the insulation resistance after treatment still fails to meet the standard, and ammonia water is used for neutralization. It is highly volatile and has a strong pungent smell. It will cause great harm to operators and the environment during actual operation, and it is not easy to recycle.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Glass-metalsealed radio-frequency connector surface treatment method
  • Glass-metalsealed radio-frequency connector surface treatment method
  • Glass-metalsealed radio-frequency connector surface treatment method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] 1. In terms of mass fraction, weigh a certain amount: 1% sodium hydroxide, 4% sodium carbonate, 1.5% dimethylglyoxime, 4% hydrogen peroxide, and the balance is deionized water. The raw materials are placed in a stainless steel electric heating pot in turn, and the mixed solution is heated until the mixed solution boils;

[0033] 2. Place the glass-to-metal sealed RF connector with unqualified insulation resistance after electroplating in a net bag with a mesh number of 30, place the net bag in the mixed solution in step 1, and soak in the boiled mixed solution for 3 minutes;

[0034] 3. Use a clean beaker to measure 2L of pure water at a temperature of 60°C, place the RF connector treated in step 3) in a measuring cylinder filled with water, and then place the beaker in an ultrasonic wave for ultrasonication. The frequency of the ultrasonic wave is 70Hz, ultrasonic time 4min;

[0035]4. At room temperature, place the RF connector processed in step 4) in the alcohol sol...

Embodiment 2

[0041] 1. In terms of mass fraction, weigh a certain amount: 1.5% sodium hydroxide, 3% sodium carbonate, 1% dimethylglyoxime, 3% hydrogen peroxide, and the balance is deionized water. Place the weighed raw materials in a stainless steel electric heating pot in turn, and heat the mixed solution until the mixed solution boils;

[0042] 2. Place the glass-to-metal sealed RF connector with unqualified insulation resistance after electroplating in a net bag with a mesh number of 20, place the net bag in the mixed solution in step 1, and soak in the boiled mixed solution for 4 minutes;

[0043] 3. Use a clean beaker to measure 1.5L of pure water at a temperature of 60°C, place the RF connector treated in step 3) in a measuring cylinder filled with water, and then place the beaker in an ultrasonic wave for ultrasonication. 80Hz, ultrasonic time 3min;

[0044] 4. At room temperature, place the RF connector processed in step 4) in an alcohol solution for ultrasonic treatment, the ultr...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
electrical resistanceaaaaaaaaaa
electrical resistanceaaaaaaaaaa
electrical resistanceaaaaaaaaaa
Login to View More

Abstract

The invention relates to a glass-metalsealed radio-frequency connector surface treatment method, and discloses a method for preparing a solution for surface treatment of a connector insulation resistance and an application thereof. The method comprises the following steps: Aarranging an oxidizing alkaline solution and heating and boiling the solution in a stainless steel pot, and then immersing aradio-frequency connector with unsatisfactory insulation resistance in the solution; after the immersing, ultrasonically treating the connector with warm water and pure alcohol to effectively remove residual electroplating solution and metal ions in the pores and microcracks on the glass surface; and after the ultrasonic treatment with alcohol ends, drying the connector, and the tested insulationresistance of the radio-frequency connector at room temperature can be increased from 30-800 Mohmsmega to 10000 Momegaohms or more. The method solves a problem in the glass-metalsealed radio-frequencyconnector industry that the insulation resistance is greatly reduced after electroplating, thereby improving the reliability of theradio-frequency connector in the subsequent application.

Description

technical field [0001] The invention relates to a surface treatment method for improving the insulation resistance of a radio frequency connector, in particular to a surface treatment method for improving the insulation resistance of a glass-metal sealing connector, and in particular to a surface treatment method for a glass-metal sealing radio frequency connector method. Background technique [0002] RF connectors are usually mounted on cables or equipment, and are used as a separable component for electrical connection of the transmission line system. The requirements are extremely high, and even if there is a problem with only one contact, it may cause the collapse of the entire system. RF connectors are usually composed of three parts: shell, lead wire and insulator. With the development of economy, the comprehensive performance requirements of RF connectors are becoming more and more stringent. Traditional thermoplastic sealing materials can no longer meet the requirem...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C03C27/00
CPCC03C27/00
Inventor 贾波冯庆王宇飞郑宇轩
Owner XIAN SEAL ELECTRONICS MATERIAL TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com