Eight Kougyou Co.,Ltd.
Eight Kougyou is a certified supplier for numerous standards including JAXA, the Ministry of Defense, and the aerospace industry, as well as holding ISO certifications. The company excels in both quality and adaptability. Below is an overview of their Flexible PCB offerings.
Key Features of Flexible PCBs at Eight Kougyou
Key Features of Flexible PCBs
Small-Batch Production of 6-Layer Flexible PCBs
Using polyimide and copper foil base films, Eight Kougyou can produce single-sided, double-sided, and multilayer FPCs (up to 6 layers).These boards offer excellent flexibility and can be customized even in small volumes.
Rigid-Flex PCBs Supporting Up to 8 Layers
Their rigid-flex PCBs incorporate flexibly processed copper coverlay segments, allowing for up to 8-layer builds. These can eliminate connectors and offer vibration resistance, making them suitable for compact, lightweight devices that require high reliability.
Cost-Effective "Universal FPCs" with No Tooling Charges
Their Universal FPC series is a low-cost solution based on standardized specifications. It uses polyimide material and supports customization of pitch, pin count, size, and layer count without initial tooling costs
FPC Specifications at Eight Kougyou
| Number of Layers |
Single-sided, double-sided, and multilayer (3–6 layers) |
| Minimum Pitch |
Not listed on the official website |
| Base film |
Polyimide film: 25µm, 50µm / Copper foil: 18µm, 35µm |
| Coverlay film |
Polyimide film 12.5µm, 25µm, 50µm |
| bonding sheet |
Epoxy-based 40µm |
| overcoat |
SR ink for PC (Japan Polytech) approx. 20µm |
| Base Material |
Polyimide film, copper foil |
Minimum Finished Hole
Diameter |
Not listed on the official website |
Why Choose Eight Kougyou?
Certified Manufacturer with Exceptional Flexibility and Scale
Eight Kougyou holds a wide range of certifications, including JAXA, ISO 9001, and ISO 14001. Their strength lies in their production flexibility and quality, supported by four factory locations across Kanagawa Prefecture and group company Mac Eight. This enables both small-lot and mass production.
This website introduces manufacturers with strong capabilities in flexible PCB production. Use it as a guide to help you select the best supplier for your needs.
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Responsiveness of Eight Kogyo
Four Factories Supporting Prototyping to Volume Production
With two factories at their Yokohama headquarters and two additional facilities operated by their group company, they can handle a wide variety of requests—from custom prototyping to full-scale mass production.
FPC Quality at Eight Kogyo
Recognized by National and Aerospace Standards
EITO Kogyo has been accredited and certified for various standards, including JAXA accreditation, Ministry of Defense standard accreditation, and aerospace industry standard accreditation. Eight Kougyou holds certifications from JAXA, Japan’s Ministry of Defense, and aerospace industry standards, and is also ISO9001 and ISO14001 certified.
Source: Eight Kogyo's official website(https://www.eightkougyou.com/company/about/)
Eight Kogyo's Track Record
Providing substrates for a wide range of industries and genres
In addition to flexible PCBs, Eight Kougyou provides high-frequency and high-speed signal transmission PCBs for a wide range of industries. Applications includeaerospace, medical equipment, mobile communications, and automatic control equipment.
Eight Kogyo Company Information
| Address |
6-7-9 Tsunashima Higashi, Kohoku-ku, Yokohama, Kanagawa, Japan |
| Business Hours |
Not listed on the official website |
| Phone (Japan domestic only) |
045-542-0111 |
| Official Website |
https://www.eightkougyou.com/ |
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