The following datasheets of pcb material used by A-TECH CIRCUITS, as well as general information, are available for downloading.. Please note that the PCB material listed below may be replaced by technically equivalent or similar materials, according to available stocks on hand. Please inquire case by case when working with critical tolerances.

1. Rigid FR4 PCB Material

Datasheets	Remarks
ShengYi S1141	Standard FR4
ShengYi S1000-2	Low CTE, High-Tg FR4
ShengYi S1165	High-Tg, halogen-free FR4
ShengYi S1600	High CTI FR4

2. Flexible PCB Material

Datasheets	Remarks
ShengYi FCCL-SF201	Single-sided Adhesiveless PI
ShengYi FCCL-SF202	Double-sided Adhesiveless PI
ShengYi SF302C	Coverlay

3. MCPCB/Metal core PCB Material

Datasheets	Remarks
PTTC TCB products	Ploytronics metal substrate
Chaoshun CCAF-01&04&05	Chaoshun metal substrate

4. RF, Microwave/High frequency PCB Material

Datasheets	Remarks
Rogers RO4000 Series	Glass reinforced hydrocarbon/ceramic
Taconic TLX	PTFE-Glass
Taconic RF35	PTFE Ceramic-Glass
Arlon Microwave Materials	Microwave & RF materials