Business details
We satisfy various needs of our customers by using the various categories of tester lineup and the test technology and know-how cultivated over many years as a test house. We mainly carry out both wafer test・final test and test development at Kofu factory.
Niigata factory
Assembly of fine component and product
With many years of manufacturing know-how such as component mounting, soldering, resin bonding, wiring and welding using Au wire, we support prototype development together with customer to mass production both manual and auto operation such as assembled products that require high precision and fine parts that have to be performed in a clean room class 1,000 environment and We also provide Made in Japan.
◎Past performance of mass production and prototype requests
○Optical communication module
○Silicon photonics
○MEMS
○RF module
○Various sensors
○Laser mark
○Shear and pull test
○Airtight test
○Tester head assembly
Available space・work environment
Work area |
Available space |
Specification |
Building B 1F | 177㎡ 823㎡ 84㎡ (TOTAL:1084㎡) |
Class1,000 (JIS Standard;Class6) Class10,000 (JIS Standard;Class7) Class100,000 (JIS Standard;Class8) . |
Building B 2F | 1,174㎡ | Class100,000 (JIS Standard;Class8) |
Building A 1F | 560㎡ | Class100,000 (JIS Standard;Class8) |
We also accept consultations on business development by utilizing empty space.
Item |
Control value |
Temperature | 25℃±3℃ |
Humidity | 40%~60% |
ESD | Less than 50V (surface potential) |
Kofu factory
We propose the most suitable operation from design to assembly.
Injection molding
Insert molding is performed using a vertical injection molding machine (maximum clamping force 735kN).
We mass produce lead frames with reflectors using liquid silicone rubber.
Prototype/mass production results
・Equipment assembly and inspection
・Glass diode
・Electrode for cold cathode tube
・Optical module
Work environment
Working area | Workspace |
Specification |
1st phase building 1F floor |
300㎡ | class1,000 (JIS standard class6) |
2nd phase building 3rd floor |
550㎡ 550㎡ |
class1,000 (JIS standard class6) class10 (JIS standard class4) |
Toyo Electronics (Thailand)
We provide you One Stop Service for products assembly in Thailand which is the world’s leading fabrication
T1 | Head Office Factory | |
1. Building area |
1,500 ㎡ | 3,750 ㎡ |
2. Cleanroom | 1,000 ㎡ | 1,100 ㎡ for class 1000 800 ㎡ for class 100k |
3. Indoor temperature | 23℃±3℃ | 21-25℃ |
4. Indoor humidity | 50±10%RH | 50±5%RH |
Assembly of optical communication module
We have a cumulative total of over 1.5 million achievements in Thailand. Including the Niigata factory in Japan, we have more than 10 million actual productions and about 20 years of experience worldwide.
●Die bonding
Automatic die bonding:mounting accuracy ±5μm
Manual die bonding:掲載制度 ±15μm
High‐accuracy(±15µm) manual die bond by our high skilled experienced operator
●Wire bonding
Au wire automatic ball bonding
Manual wedge bondingAu wire, Au ribbon wire
●Hermetic sealing
BOX Specification:Max 100mm□ ~ Min 3mm□
CAN Specification:・Max φ10mm ~ Min φ3.8mm
●Laser mark
Various characters, one-dimensional/two-dimensional codes
Inspection business of precise electronic parts
Expanded inspection business for precise electronic parts that require high cleanliness
●Dust level
CLASS 1000
CLASS 10,000