Taiyo Kogyo Co., Ltd.

HCPCB Technology Guide2024

Confidential

TAIYO KOGYO CO.,LTD.
Printed Circuit Company

Company Profile■ Company Name : TAIYO KOGYO CO., LTD.
■ Head Office: Tokyo, Japan■ Established: August 15th, 1947
■ Employees: 355 as of March 31, 2023
■ Business field : To design and manufacture
Printed Circuit Board (Conventional PCB,High Current PCB, Heat Dissipation PCB)
*Sheet metal processing / Painting / Punching Die etc.
• ISO-9001 ：Date of Acquisition: June, 1997
• ISO-14001：Date of Acquisition: March, 2004
• UL：E44308 Listed

UB022.008

1TAIYO KOGYO CO.,LTD.
Printed Circuit Company

Types of PCB• Thick Copper PCB○ High Current PCB• Ultra Thick○ High HeatCopper PCB
Dissipation PCB• Combination PCB• Copper Inlay PCB• Bus Bar Embedded
PCB（＋Cavity/Terminal Functions）

Available Specification
Conventional PCB

High Current & High Heat Dissipation PCB

Copper foil thickness

0.5oz / 1oz / 2oz

3oz / 4oz / 5oz / 6oz / 6.8oz / 8.6oz/ 11.4oz/ 14.3oz / 22.8oz / 28.5oz / 57.1oz

Number of Layers

2 – 16 layers

2-16 layers / 2 - 6 layers

Board Thickness

0.6mm – 3.5mm*0.6mm – 1.3mm - 3.5mm

Material

FR-4 / CEM-3

FR-4 / High Tg 170 material

Soldermask (Color)

Green / Blue / White/ Black

Green / Blue / White / Black

Surface Finish

OSP / HASL / ENIG

OSP / HASL / ENIG
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TAIYO KOGYO CO.,LTD.
Printed Circuit Company

Thick Copper PCB

High Current

Heat Dissipation■Copper foil thickness：3oz / 4oz / 5oz / 6oz / 6.8oz■Number of Layers：2-16Layers (*depending on copper foil thickness)■Board thickness：0.023”-0.137” (0.6-3.5 mm)■Available：IVH / To combine with less than 2oz copper is available.
■ UL ：Certified
10Layers IVH
All layers 3oz
Board thickness
0.102” (2.6mm)

DC-DC Converter
UB022.008

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TAIYO KOGYO CO.,LTD.
Printed Circuit Company

Ultra Thick Copper PCB

High Current

Heat Dissipation■Copper foil thickness：8.6oz / 11.4oz / 14.3oz (using rolled copper foil)■Number of Layers：2-6Layers (*depending on copper foil thickness)■Board thickness：0.051”-0.137” (1.3-3.5 mm)■Available：IVH / To combine with less than 6.8oz copper is available.
■ UL ：Certified
All layer 14.3oz
Board thickness0.125” (3.2mm)

UB022.008

4TAIYO KOGYO CO.,LTD.
Printed Circuit Company

Combination PCBHigh Current

Heat Dissipation■Copper foil thickness：8.6oz & 2oz copper on the very same layer■Number of Layers：2- 6 Layers■Board thickness：0.051”-0.137” (1.3 - 3.5 mm)■Available：IVH / To combine less than 11.4oz, 14.3oz and 6.8oz copper is available.
■ UL ：Certified
8.6oz
Power Circuit

2oz
Control Circuit

Thinner and Thicker fromthe middle of one layer

2oz

8.6oz
UB022.008※Copper foil thickness of 8.6oz is fixed, but it is possible to adjust thickness on thinner copper foil part, if it is more than 2oz.

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TAIYO KOGYO CO.,LTD.
Printed Circuit Company

Bus Bar Embedded PCBHigh Current

Heat Dissipation■Bus Bar thickness：14.3 / 22.8 / 28.5 / 57.1 oz.
Extracting copper andbending copper terminal

Embedding Bus Bar
into Inner layer

Surface Layer
Layer 2 Layer 3Bus Bar

Embedding Bus Bar
into External Layer

Bus Bar

The shape of Bus Bar is flexible.
UB022.0086

TAIYO KOGYO CO.,LTD.
Printed Circuit Company

Copper Inlay PCB(Heat dissipation PCB for Power device)

Heat Dissipation■Available for all copper foil thickness■Diameters of inlay：0.118”/0.157”/0.196”/0.236” (3 / 4 / 5 / 6 mm)Heat generating components

Copper inlay

Heat generating component
Copper inlays

Heat sink, metal case, etc.

Realize highly efficient heat dissipation for power device such as SiC and GaN
UB022.008

7

TAIYO KOGYO CO.,LTD.
Printed Circuit Company

Value of Combination & Copper Inlay PCB– DIP type SiC device
Copper Inlay

SiC FET

Gate Circuit

Source and Drain↓
Thick Copper 8.6oz

SiC FETGate↓
Thin Copper 2oz

Combination PCB
UB022.008

2oz

8.6oz

Copper
Inlay
Insulation
Sheet

Heatsink

Efficient thermal
solution for heatgenerating parts.
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TAIYO KOGYO CO.,LTD.
Printed Circuit Company

Before – After / Motor Controller Unit
Converter

IPM

ControlCircuit【PCB】
0.5oz 2Layers
Parts: One side mounting【IPM】
Commercial Item /Cable Connection【DCDC Converter】
Commercial Item /Cable Connection

Number of Parts → 16% Reduction
Volume → 60% Save Space
Total Cost → 11% Down

【PCB】
8.6oz 4Layers / Combination PCB
Parts: Both side mounting【IPM】
Design IPM as a part of circuit(Used Discrete IGBT)【DCDC Converter】
Design DCDC Converter
as a part of circuit

Integrate all parts to one consolidated PCB!
9TAIYO KOGYO CO.,LTD.
Printed Circuit CompanyApplications
・Automotive / EV・Power Supply
・Inverter / Converter
・Renewable Energy
・Power Module
・HVAC・Motor・Battery Management System
・Industrial Robot / Humanoid Robot
・Semiconductor manufacturing
equipment
・Coil / Planer transformer
・Wireless Power Transfer
・Aerospace
10Taiyo Kogyo Co., Ltd.
↓Please visit our website.↓https://www.taiyo-technologies.jp/solution/pcb-en<For Global Contact><For USA Contact>

Taiyo Kogyo Co., Ltd.
Tokyo, Japanm-izumi@taiyo-technology.jp
Tel: +81-3-5436-1871

Taiyo Kogyo US Liaison Office
Spencer Simons
ssimons@taiyo-technology.com
Tel: 508-654-1065
Website

UB022.008