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Latest update: 15/03/2018 13:05:42

Welcon Inc.

We are expanding our product range by heat exchangers using diffusion bonding technology.

We manufacture and sell special 3D structure parts using diffusion bonding technology such as heat exchangers, water-cooling heat sinks, and sheet heat pipes. We do business with Mitsubishi Electric Corporation, Kishu Giken Kogyo Co., Ltd., Yamato Scale Co., Ltd., Hitachi Kokusai Electric Inc., and Hitachi Automotive Systems Measurement, Ltd. We own unique bonding equipment design know-how, process management, and high-precision diffusion bonding technology, and use these to propose solutions. Our response to diverse needs has contributed to the expansion of operations. We acquired patents for “A method of manufacturing metal bellows and metal bellows”, “A vapor chamber”, and “A heat conduction composite material and method of manufacturing the same”, respectively.

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[Company strength]
As a comprehensive diffusion bonding manufacturer, we can supply parts and products under a one-stop service from trial manufacturing to mass-production. We mass-produce diffusion-bonded parts and products and reduce the cost of these parts and products by using diffusion bonding equipment developed and designed in-house, diffusion bonding process management, a quality assurance system, and line automation technology. We stably supply parts and products to a wide variety of fields including the auto industry as well as fields associated with semiconductor manufacturing machines, food production machines, industrial machines, electricity and electronics, and special measurement hardware.

[Business description]
We provide high-precision diffusion bonding technology based on bonding equipment designed and manufactured in-house, as well as design technology and process management. We produce special 3D structure parts using diffusion bonding technology and performing everything in-house, from research and design to simulation, analysis, prototype making, and manufacturing. We also develop, manufacture, and sell thermal heat control parts such as heat exchangers and heat sinks, which are products made using diffusion bonding.

[Industry]
Metal processing

[Strength of products/technologies]
We are engaged in the research and manufacturing of 3D structure parts and products that cannot be achieved by conventional methods and that have micro structures. We conduct in-house the evaluation of materials to learn about the diffusion bonding process (microscopic observation, strength tests, SEM, EDX, with ultrasonic flaw detectors, thermal shock testing machines, etc.), and the calculation and evaluation of thermals fluid after completing the functional parts. We can provide standard products including heat exchangers, water-cooling heat sinks, and sheet heat pipes as products developed and designed in-house. Our products are widely used in various fields related to automobiles, electricity, semiconductors, industrial machines, and food production machines.

[Representative's message]
We are proud to deliver new functions, high performance, and multifunctions. We have attained high performance, size reduction, energy conservation, multifunctions, high efficiency, and high withstanding pressure of parts by means of diffusion bonding technology. We strive to adopt promising concepts on the basis of research, analysis, and evaluation. It is sometimes difficult to address the challenges from leading-edge academic societies, industries, and companies, but nonetheless we are determined to satisfy both engineers (creators) and users and create memories for them. We seek to be a reliable partner for customers.

[Market share/Ranking]
We have a 20% market share, and rank No. 2 in the industry.

[Awards and media coverage]
[Awards]
The Good Company Award “New Technology Business Promotion Prize” (2015)
The Japan Society of Mechanical Engineers (JSME) “JSME Excellent Product Award” (2014)
The Japan Society for Technology of Plasticity (JSTP) “The Mitsui Precision Technology Award” (2013)

[Media]


[Authorization/Certification]
ISO 14001 (2015)
Selected for Strategic Core Technology Advancement Program (2010)
ISO 9001 (2008)



[Joint research and development]
Tokyo Institute of Technology, University of Tsukuba, Niigata University, University of Toyama, Nagaoka University of Technology, Japan Atomic Energy Agency (JAEA), The National Institute of Advanced Industrial Science and Technology (AIST), The High Energy Accelerator Research Organization (KEK), and National Institute for Materials Science, NIMS

[Intellectual property]
Japanese Patent No. 4882033 “A method of manufacturing metal bellows and metal bellows”
Japanese Patent No. 5180385 “A vapor chamber”
Japanese Patent No. 5292556 “A heat conduction composite material and method of manufacturing the same”


[Main Clients / Business History (domestic)]
Mitsubishi Electric Corporation, Kishu Giken Kogyo Co., Ltd., Yamato Scale Co., Ltd., Hitachi Kokusai Electric Inc., Hitachi Automotive Systems Measurement, Ltd.

This company is recommended by the following support organizations.

Kanto Head Office, SMRJ
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