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Miyachi Unitek Corporation
Our Mission and Focus

Welcome to Miyachi Unitek Corporation, the World Leader in Equipment and Systems for Resistance and Laser Welding, Laser Marking, Hermetic Sealing, Pulsed Heat Soldering, Bonding and Heat Sealing, and Wirebond Pull Testing. Miyachi Unitek spans the globe to serve your microjoining needs: controls, heads, weld monitors and accessories, and pulsed Nd:YAG laser welders and markers.

Our areas of expertise:
MUC Headquarters, Monrovia, CA
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 Laser Welding and Marking: a broad range of pulsed Nd:YAG lasers for welding and marking with up to 7kW peak power and multiple output beams for OEM's or as turnkey systems with multi-axis CNC motion hardware. The company also designs, builds and supports both standard and custom workstation systems with CDRH Class I enclosures, multi-axis motion control, vibration isolation, inert gas glovebox systems, CCTV vision for inspection and vision-assisted motion, laser control software, and a wide range of standard laser welding beam delivery components and accessories.
 Fine Spot Resistance Welding: resistance welding equipment for precision metals joining. Typical applications include parts for automotive electronics, sensors, medical devices, batteries and battery packs, aircraft parts and electronics components.
 Large Scale Resistance Welding: resistance welding and process monitoring equipment for applications ranging from sheet metal to component parts manufacturing.
 Reflow Soldering: power supplies, heads, and thermodes for hot-bar reflow soldering. Applications include LCD attachment such as that used in manufacturing displays for cell phones, laptop computers, and automotive applications.
 Hermetic seam welding and projection welding: equipment and systems for the hermetic sealing of semiconductor and small electronic devices. The company designs, manufactures, sells, and supports a broad range of welding and marking systems and atmospheric enclosures for customers in the telecommunications, aerospace, optoelectronic, medical, automotive and defense industries.
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Applications of Company Products
Large and small companies use Miyachi Unitek's equipment and systems to manufacture products in the following industries and product applications, plus many others:
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 Electronic components, connectors and devices
 Batteries and battery packs
 Lamps and lighting elements
 Automotive electronics, sensors and controls
 Medical implants and implantable devices
 Electrical components
 Medical components and devices
 Computer and disk drive components
 Printed circuit board assembly and repair
 Automotive sheet metal
 Office equipment and furniture
 Home kitchen appliances
 Tools and saw blades
 Dental components
 Relays, solenoids, potentiometers, transducers and strain gages.
 Microwave component assembly
 Television tubes and components
 Jet engine and aircraft repair
 Motor armature fusing
 Ammunition and pyrotechnic devices
 Semiconductor and hybrid assembly and packaging
 Fiber communications components
 Thermocouples and thermostats
 Structural bonding
 Flex and ribbon cable connections
 Anisotropic and heat seal connections
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Our Sister/Subsidiary Company
Based in Puccheim, Germany, and Helmond, The Netherlands, Miyachi Europe Corporation is the market leader in developing, building and servicing machines for Resistance Welding, Laser Welding, Laser Marking and Heat-Seal-Bonding as well as customized Systems. Via their Application Development Center, Miyachi Europe assists customers in the development of reliable connections, improving product quality, reliability, and manufacturing cost.

Our Parent Company
Miyachi Corporation (MHC), based in Noda City, Japan, was established in 1972 to manufacture and market semiconductor-related measuring instruments and welding control equipment in response to the demand for quality control in the automobile and electronics industries. The company was quick to incorporate microprocessors and other electronic devices into its resistance welders to enable high quality precision joining and the monitoring and analysis of that process. Its Weld Checkers quickly became the worldwide standard for weld monitoring.

In 1984, MHC developed an Nd:YAG laser welder that allowed for more precise and micro welding, and this line has become one of the company's main business pillars along with resistance welding. In recent years, it has advanced into the laser marking arena with its Nd:YAG and Nd:YV04 laser markers being among the smallest and most powerful in the world.

In addition to its subsidiaries in the US and Europe, the company has sales and manufacturing facilities in China and Korea. MHC is publicly listed on the Tokyo stock exchange.


Laser Home
Fine Spot Resistance Welding Home
Large Scale Resistance Welding Home
Reflow Soldering and Hot Bar Bonding Home
Benchmark Home
Battery Welders
Battery Welding Applications
Battery Pack Manufacturing
Case "www.bonding.muc.miyachi.com","www.bonding.muc.miyachi.com:4000" %> Anisotropic Conductive Adhesive Bonding & Hot Bar Bonding
Heat Seal Equipment
Heat Seal Machine
Heatseal System
LCD Repair Station
Hot Bar Soldering
Heat Sealing
Reflow Soldering
ACF Bonding
Hot Bar Bonding
Hot Bar Soldering & Hot Bar Bonding
Reflow Soldering & Flex Circuit Bonding
Miyachi Unitek Corporation
1820 S. Myrtle Ave., Monrovia, CA 91016 USA
626-303-5676 (ph) 626-358-8048 (fx)
24/7 Repair Service 1-866-751-7378