Base Materials for PWBs

Halogen Free, High Tg, High Elastic Modulus, Low CTE Multilayer Material – MCL-E-705G

Product Information and Application

Product form

  • CCL: MCL-E-705G
  • Prepreg: GEA-705G

Applications

  • Semiconductor packages. (FC-BGA, FC-CSP, PoP, SiP)
  • HDI, PWB
  • Thinner module, PWB

Features

  • MCL-E-705G has low CTE values in X, Y directions and reduces warpage of package substrate significantly.
  • MCL-E-705G (Type L) has lower CTE value (≤5ppm/℃).
  • MCL-E-705G (Type LH) has lower CTE value (3ppm/℃).
  • Well-suited for build-up construction.

Characteristics

Warpage of FC-BGA

Halogen Free, High Tg, High Elastic Modulus, Low CTE Multilayer Material - MCL-E-705G

TEG Chip

  • Chip size: 20mm×20mm
  • Chip thickness: 0.725mm
  • Bump diameter: 80 µm
  • Bump pitch: 200 µm

TEG Substrate

  • Package size: 35mm×35mm
  • Core thickness: 0.4mm
  • Build up thickness: 30 µm×2stack
  • SR thickness: 20 µm

Warpage of PKG

Halogen Free, High Tg, High Elastic Modulus, Low CTE Multilayer Material - MCL-E-705G

TEG Substrate Spec

  • Size: 14mm×14mm
  • Total thickness: 250 µm
  • SR thickness: 20 µm (SR-7200G: Showa Denko Materials)
  • Prepreg thickness: 40 µm
  • Core thickness: 110 µm
Halogen Free, High Tg, High Elastic Modulus, Low CTE Multilayer Material - MCL-E-705G

Thin Laminate

(t0.4mm)

Item Condition *3 Unit Actual Value Reference
MCL-E-
705G
MCL-E-
705G
(Type X)
MCL-E-
705G
(Type L)
MCL-E-
705G
(Type LH)
(IPC-TM-650)
Tg TMA method A 250–270 2.4.24
DMA method A 295–305
CTE *1 X (30–120℃) A ppm/℃ 5–7 4–6 3–4 2.5–3.5
Y (30–120℃) A 5–7 4–6 3–4 2.5–3.5
Z*4 (<Tg) A 10–15 2.4.24
(>Tg) 70–100
Solder Heat Resistance (260℃) A sec. >300
T-260 (Without Copper) A min. >60 2.4.24.1
T-288 (Without Copper) A >60
Decomposition Temperature (TGA method 5% Weight Loss) A 430–450 2.3.40
Heat Resistance for HDI Process (Semi-Additive) 260℃ Reflow cycles >20
Copper Peel Strength 12 µm A kN/m 0.8–1.0 2.4.8
18 µm A 0.9–1.1
Surface Roughness (Ra) A µm 2–3 2.2.17
Flexural Modulus (Lengthwise) *4 A GPa 32–34 33–35 34–36 37–39
Dielectric Constant 10GHz *2 A 4.4–4.6 4.4–4.6 4.1–4.3 4.1–4.3 IEC-61189-2-721
Dissipation Factor 10GHz *2 A 0.009–0.011 IEC-61189-2-721
Volume Resistivity C-96/40/90 Ω・cm 1×1014–1×1016 2.5.17
Surface Resistance C-96/40/90 Ω 1×1013–1×1015
Insulation Resistance A Ω 1×1014–1×1016
D-2/100 1×1012–1×1014

*1) Heating Rate: 10℃/min., *2) Measured by SPDR., *3) Refer to “Condition Note“, *4) t0.8mm
*Above data are experimental results and not guaranteed.

Standard Specifications

Copper Clad Laminate

Part Number Type Copper Foil Thickness Thickness Code Laminate Thickness
MCL-E-
705G

(L)
2 µm, 3 µm, 12 µm (LP, PF) T0.06 0.06mm
12 µm
18 µm
(STD)
2 µm
3 µm
12 µm
(LP, PF)
M0.06 0.06mm
0.1 0.11mm
M0.11 0.10mm
M0.15 0.16mm
M0.22 0.21mm
0.2 0.21mm
0.31 0.31mm
0.41 0.41mm
0.51 0.52mm
0.61 0.62mm
0.71 0.72mm
0.81 0.82mm
(X) 12 µm
18 µm
(STD)
2 µm
3 µm
12 µm
(LP, PF)
0.41 0.41mm
0.61 0.62mm
0.81 0.82mm
(LH) M0.06 0.06mm
0.1 0.11mm
D0.15 0.16mm
0.2 0.21mm
0.26 0.26mm

Note1) STD: Standard copper foil, LP: Low profile copper foil, PF: Hitachi profile-free copper foil.
Note2) STD: 12 µm, 18 µm; LP: 2 µm, 3 µm, 12 µm, 18 µm; PF:2 µm, 3 µm, 12 µm.
Note3)“U” for 1-ply“; T” for 2-ply.
Note4) The thickness means that of dielectric layer.

Prepreg

Part Number Type Glass Cloth Properties
Style Resin Content
(%)
Dielectric Thickness
after Lamination *1 (mm)
GEA-705G (F) ≦0.025 (See [GEA-705G (Type F)]page for ultra thin, flat prepregs)
0.025 (1017N73) 1017 73±2 0.025
0.03 (1027N73) 1027 73±2 0.040
0.04 (1037N73) 1037 73±2 0.048
0.06 (1078N65) 1078 65±2 0.071
0.1 (2116N58) 2116 58±2 0.126
(L) 0.025 (L1017N73) 1017 73±2 0.025
0.03 (L1027N73) 1027 73±2 0.040
0.04 (L1037N73) 1037 73±2 0.048
0.06 (L1078N65) 1078 65±2 0.071
0.1 (L2116N58) 2116 58±2 0.126
Reference (IPC-TM-650) 2.3.16

*1) The dielectric thickness after lamination is defined as the thickness of one sheet of prepreg when the resin flow is 0%.
This value changes depending on the press condition or inner layer pattern.