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
Appliance
IndustryWireless
・Appliance
・Industry
・Wireless
Home Appliance, Digital Appliance, LED Lighting, Meter Panel, Power Supply System Board, Amusement Machine, Antenna (5G Terminal / Equipment), etc.

Properties

CTI≧600V
Insulation reliability
Low dielectric property

Tracking resistance

Tracking resistance

CAF resistance

CAF resistance

Board thickness accuracy

Board thickness accuracy

Low dielectric property

Low dielectric property

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 JIS C6481 C-96/20/65 4.2
C-96/20/65+D-24/23 4.2
1GHz IPC-TM-650 2.5.5.9 C-24/23/50 4.0
Dissipation factor (Df) 1MHz JIS C6481 C-96/20/65 0.011
C-96/20/65+D-24/23 0.011
1GHz IPC-TM-650 2.5.5.9 C-24/23/50 0.009
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 JIS C6481 Copper foil: 0.018mm
          (18µm)
 A  N/mm 1.37
 S₄  1.37
JIS C6481 Copper foil: 0.035mm
          (35µm)
 A  N/mm 1.76
 S₄  1.76
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.