Ultra-low transmission loss Circuit board materials for IC substrate/Module | R-G545L, R-G545E

Ultra-low transmission loss Circuit board materials for IC substrate/Module R-G545

 

  1. Realized low Df property at the our top-level of IC substrate material.
  2. Stable signal values at high frequency and high temperature and humidity.

Circuit Board Materials

  • Part Number

Low Dk glass cloth

Laminate R-G545L
Prepreg R-G540L

Normal glass cloth

Laminate R-G545E
Prepreg R-G540E

  • Application
  • Detailed use
PKG
・PKG
IC PKG for base station application, Module part, etc.

Properties

Df 0.003 Dk 3.5
@12GHz
CTE x, y-axis
10ppm/°C
Tg (DMA)
230°C

Df at Wide-frequency band

Df at Wide-frequency band

Df under Severe condition (130°C 85%, 1000hours) 

Df under Severe condition (130℃ 85%, 1000hours)

Frequency dependence by Transmission loss

Frequency dependence by Transmission loss

General properties

Item Test method Condition Unit R-G545L
Low Dk glass cloth
R-G545E
Normal glass cloth
Glass transition temp.(Tg) DMA* A °C 230 230
CTE x, y-axis α1 Internal method A ppm/°C 10 10
CTE z-axis IPC-TM-650 2.4.24 22 22
Dielectric constant(Dk) 12GHz Balanced type circular disk resonator A 3.5 4.0
Dissipation factor(Df) 0.003 0.004
Water absorption IPC-TM-650 2.6.2.1 D-24/23 % 0.06 0.06
Peel strength 1/3oz(12µm) IPC A kN/m
(lb/inch)
0.6 0.6

The sample thickness is 0.1mm
* DMA: Measurement in tensile mode

The above data are typical values and not guaranteed values.

Our Halogen-free materials are based on JPCA-ES-01-2003 standard.
Contain; Chlorine:≤0.09wt%(900ppm), Bromine:≤0.09wt%(900ppm),
Chlorine+Bromine:≤0.15wt%(1500ppm)

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