中国足彩网系统异常 >> PRODUCTS >> AlN Substrate

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Laser Scribed Substrate


Laser scribe could be 50% or 100%, all designed by customers. 


Half-cut substrates usually metallized as a whole part and then splint into units.


The shapes are usually used as high thermal conductivity insulating gasket. 



Sample Requirement List



1. Characteristics

 

Item

Unit

As-fired

   Lapped

Color

-

Gray/Beige

Gray/Beige

Surface Roughness (Ra)

μm

0.3-0.4

0.5-0.7

Warpage

2.5

2.5

Volume Density

g/cm3

≥3.24

≥3.24

Bending Strength

MPa

350

350

Thermal Conductivity [@20]

W/m·k

≥170

≥170

Coefficient of Linear Expansion [RT-300]

10-6mm/

4.6

4.6

Volume   Resistance

Ω·cm

1.5×1013

1.5×1013

Dielectric Constant [@1MHz]

-

10.6

10.6

Dielectric Loss [@1MHz]

-

4.6×10-4

4.6×10-4

Dielectric   Strength

(KV/mm)

≥20

≥20

  

2. Specifications Of AlN Lapped Substrate

 

Thickness

(mm)

Substrate Size(inch)

2*2

4*4

4.5*4.5

5*5

6*6

8*8

12*12

0.25






0.381

0.50

0.635

1.0

1.5

2.0

 

3. Samples


     


                                                                                                        Laser scribed substrates


     

                                                                                                            

                                                                                                             Laser cut shapes






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