Jiangsu Mingke Optoelectronic Technology Co., Ltd.

ABOUT US

Steady development • innovation • value creation

Jiangsu Mingke Photoelectric Technology Co.,Ltd. specializes in the research and development and production of high-reliability electrical connectors, and at the same time provides high-tech enterprises with system electrical connection technology solutions. It is a national key scientific research project supporting unit. In 2023, the company applied for "City Specialized and Special New" enterprises. The company attaches importance to the technological innovation of products and has mastered the application of characteristic technologies of products.

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2015
Year
Business formation
12
+
Product Series 12+
9500
㎡
Company area
50
million yuan
Total assets of the enterprise

MINGKE

RECOMMEND

MINGKE

ADVANTAGE

Innovative Technology

According to the customer's process requirements, master the elements of indicators, to provide satisfactory products for each customer.

Quality Assurance

The company has advanced production equipment, strong technical force, modern inspection and testing means and military inspection facilities.

Advanced Concept

Do strong research and development technology, speed up the development of new products. The company focuses on the military market, electrical connector research, production base, for the development of China's national defense to contribute!

Service With Confidence

Take the market as the guide, take scientific research as the leader, Innovation as a means to actively explore domestic and foreign markets.

MINGKE

APPLICATION

Aerospace

Intelligent control

Radar communication

Digital Communications

Shipbuilding

Automobile railway

NEWS

BLOG

2019-10-10

The company has successfully completed the relocation.

The company relocated to the Daxing Industrial Park in the urban area of Taixing City in October 2019, and the relocation work has now been successfully completed. The new production and office environment has laid a solid foundation for the company's next step in scaling up production.

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The four major manufacturing processes of connectors are: 1. Injection Molding 2. Stamping 3. Machining 4. Assembly

1. Stamping. 2. Plating. 3. Molding. 4. Assembly. 1. Stamping: The manufacturing process of electronic connectors generally starts with stamping the pins. Using a large high-speed stamping machine, the electronic connector (pins) is stamped from a thin metal strip. One end of a large roll of metal strip is fed into the front of the stamping machine, while the other end passes through the hydraulic worktable of the stamping machine and is wound onto a roll. The roll pulls out the metal strip and rolls up the finished stamped product. 2. Plating: After the stamping of the connector pins is completed, they should be sent to the plating section. At this stage, the electronic contact surfaces of the connectors will be coated with various metal layers. Similar issues to those in the stamping phase, such as twisting, breaking, or deformation of the pins, may also occur during the process of sending the stamped pins to the plating equipment. 3. Molding: The plastic housing of the electronic connector is made during the molding phase. The typical process involves injecting molten plastic into a metal mold and then quickly cooling it to form. Some defects include filling or partial blockage of the insertion holes (which must remain clean and unobstructed for proper insertion with the pins during assembly). Since backlighting can easily identify missing parts of the housing and blocked insertion holes, the machine vision system used for quality inspection after molding is relatively simple and straightforward. 4. Assembly: The stage of manufacturing electronic connectors is the assembly of the finished product. There are two ways to connect the plated pins with the molded housing: individual insertion or combined insertion. Individual insertion refers to connecting one pin at a time; combined insertion connects multiple pins to the housing simultaneously. Regardless of the insertion method used, it is required to check all pins for defects and correct positioning during the assembly stage; another routine inspection task is related to measuring the spacing on the mating surface of the connector.

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What are the basic performance characteristics of board-to-board connectors?

The basic performance of board-to-board connectors can be divided into three main categories: mechanical performance, electrical performance, and environmental performance. 1. Mechanical performance: In terms of connection functionality, insertion and extraction force is an important mechanical performance metric. 1.1. Insertion and extraction force are divided into insertion force and extraction force (the extraction force is also known as separation force), and the requirements for the two are different. Relevant standards specify a maximum insertion force and a minimum separation force, indicating that from a usage perspective, the insertion force should be low (thus there are low insertion force LIF and zero insertion force ZIF structures), while if the separation force is too low, it will affect the reliability of the contact. 1.2. Another important mechanical performance metric is the mechanical lifespan of the board-to-board connector. Mechanical lifespan is essentially a durability indicator, referred to as mechanical operation in the national standard GB5095. It is defined as one cycle consisting of one insertion and one extraction, and the assessment is based on whether the connector can still perform its connection function (such as contact resistance value) after a specified number of insertion and extraction cycles. The insertion and extraction force and mechanical lifespan of board-to-board connectors are related to the structure of the contact elements (the magnitude of the normal force), the quality of the coating at the contact points (the coefficient of sliding friction), and the dimensional accuracy of the arrangement of the contact elements (alignment). 2. Electrical performance mainly includes contact resistance, insulation resistance, and dielectric strength. 2.1. Contact resistance: A high-quality electrical connector should have low and stable contact resistance. The contact resistance of connectors ranges from a few milliohms to several tens of milliohms. 2.2. Insulation resistance: This measures the insulation performance between the contact elements and between the contact elements and the housing, with values ranging from hundreds of megaohms to thousands of megaohms. 2.3. Dielectric strength, also known as voltage withstand: This characterizes the ability of the connector's contact elements or the contact elements and housing to withstand the rated test voltage, which depends on the gap between circuits (i.e., the spacing between contact elements and creepage distance) and the insulating materials used in the connector.

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Jiangsu Mingke Photoelectric Technology Co.,Ltd.

Address: Da Sheng Industrial Park, Zhenxing North Road, Urban Area, Taixing City, Jiangsu Province

Phone:0523-87591866、0523-87591266

Mobile:18796784030

Fax: 0523-87591288

Website:www.mkwell.com.cn

Email:jiangsumk@163.com

2015

12

9500

50

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Jiangsu Mingke Photoelectric Technology Co.,Ltd.