Chief Up LTCC Green Tape Electrical Characteristics

 

 

Characteristics

 

RAINSUN LTCC

Dielectric Constant (@2.14GHz, 25℃ )

7.8

Dissipation Factor ( @2.14GHz,25℃ )

0.34%

Temperature Coefficient of Resonant Frequency (Tf)

-8.9

Thermal Expansion (TCE) (ppm/℃) (25-300℃)

4.6

Thermal co-efficient of capacitance (TCC) (-48~80℃)

8.6

Fired Substrate Thickness

>0.05mm

Substrate Dimension Tolerance

<0.6%

Number of Layers Depend on design
Insulation resistance @ 100Vdc >1×10E12 0hm

 

Chief Up LTCC Green Tape Design Rule 

 

 

Standard (mm)

Advanced (mm)

(A) Via Diamenters

0.12, 0.15, 0.2

0.1

(B) Catch Pad Diameters

Via + 0.05

Via + 0.02

(C) Via Center Spacing

0.25 for 0.12 via

0.18 for 0.1 via

(D) Line Edge to Pad Edge

>0.10

>0.05

(E) Line Width

>0.1

>0.05

(F) Space Width

>0.1

>0.05

(G) Line over Outside Edge for Cutting

>0.1

>0.05
(H) Outside Edge to Via Center >0.25 >0.125
(I) Outside Edge to Line Clearance >0.2 >0.1
(J) Buried Ground Plancing >0.2 >0.1
(K) Feed Thru Spacing
 
>0.1 -