Glass composite circuit board materials | R-1786, R-1781


Glass composite circuit board materials NewCEM-3

 

  1. Excellent tracking resistance (CTI ≥ 600V)
  2. Excellent insulation reliability (CAF resistance)
  3. Having excellent high frequency property
  4. Excellent board thickness accuracy

Circuit Board Materials

  • Part Number

Double-sided
copper clad

R-1786
Single-sided
copper clad
R-1781

  • Application
  • Detailed use
battery
・For digital·home appliance
Inverter power supply system board, Air conditioner, Washing machine, Refrigerator, Power conditioner, Antenna circuit board, Etc.

Properties

CTI≧600V
Insulation reliability
Low dielectric property

Tracking resistance

Tracking resistance

CAF resistance

CAF resistance

Board thickness accuracy

Board thickness accuracy

General properties

Item Test method Condition Unit R-1786
Glass transition temp. (Tg) TMA Temp. rising rate: 10°C/min °C 140
Solder heat resistance JIS C6481 260°C solder float for 2min No abnormality
Heat resistance 1oz JIS C6481 A 240°C 60min
CTE x-axis α1 IPC-TM-650 2.4.41 TMA ppm/°C 25 (20)
CTE y-axis 28 (23)
CTE z-axis α1 IPC-TM-650 2.4.24 TMA ppm/°C 65
Dielectric constant (Dk) 1MHz IPC TM-650 2.5.5.9 C-96/20/65 4.5
C-96/20/65+D-24/23 4.5
Dissipation factor (Df) C-96/20/65 0.015
C-96/20/65+D-24/23 0.015
Volume resistivity JIS C6481 C-96/20/65 MΩ·m 1×108
C-96/20/65+C-96/40/90 5×107
Surface resistivity JIS C6481 C-96/20/65 3×108
C-96/20/65+C-96/40/90 1×108
Insulation resistance JIS C6481 C-96/20/65 5×108
C-96/20/65+D-2/100 1×107
Water absorption JIS C6481 E-24/50+D-24/23 % 0.08
Flexural strength Fill JIS C6481 A N/mm2 280
Peel strength 1/2oz JIS C6481 A kN/m 1.47
260°C solder float for 20sec 1.47
1oz JIS C6481 A 1.82
260°C solder float for 20sec 1.82
Alkali resistance JIS C6481 dipping (3min) No abnormality
Flammability JIS C6481 A+E-168/70 94V-0

The sample thickness is 1.6mm.
The figure in parentheses is for the thickness of 0.8mm.

The above data are typical values and not guaranteed values.