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PCB材料

PCB材料

PCB材料

PCB材料

Teflon ceramic dielectric substrate TF-1/2

TF-1/2 is a kind of circuit laminate based on the Teflon(which have excellent microwave and temperature resistance performance)compound with ceramic. This kind of laminate can be comparable with the products(such as RT/duroid 6006/6010/TMM10)from Rogers Corporation in United State of America.

The advantage of design for Microwave Circuit. using TF-1/2 here

(1)The operating temperature is much higher than TP-series. It is applicable to long-term operation within temperature ranger of -80℃~+200℃,and can be used for wave-welding and melt-back welding.

(2)Used for the manufacturing of the Microwave Circuitand millimeter wave printed circuit board

(3)Better radiation performance,30min20rad/cm2.

(4)Dielectric property is stable and has a slight variation with the rise of temperature and frequency.(εr=3.0;6.0;9.2;9.6;10.2;16;20;22)

Technical Specifications

Appearance

Dimension(mm)

Mechanical   Strength

Chemical   Property

 

Electrical   Property

Meet   the general requirement for laminate of microwave PCB.

150×150     250×250  

Thickness   and tolerance are same as TP-series. For special dimension,customized   laminates is available.

Peel   strength

≥   8N/cm

Warp

Same   as TP-series.

Cutting/punching

Strength

No   burrs after cutting,minimum space between two punching holes is 0.55mm.

According   to the properties of laminate,the chemical etching method for PCB can be used. The dielectric   properties of laminate are not changed. The plating through hole can be done.

Name

Test   condition

Unit

Value

Density

Normal   state

g/   cm3

2.0~3.5

Moisture   Absorption

Dip   in the distilled water of 20±2℃ for24 hours

%

≤0.02

Operating   Temperature

High-low   temperature chamber

-80℃~+260℃

Thermal   Conductivity


W/m/k

0.5

CTE

-55~288

ppm/

50(x)

50(y)

60(z)

Shrinkage   Factor

2   hours in boiling water

%

0.0001

Surface   Resistivity

500V

DC

Normal   state

M·Ω

≥1×105

Constant   humidity and temperature

≥1×103

Volume   Resistivity

Normal   state

MΩ.cm

≥1×105

Constant   humidity and temperature

≥1×104

Pin   Resistance

500VDC

Normal   state

≥1×106

Constant   humidity and temperature

≥1×104

Surface   dielectric strength

Normal   state

d=1mm(Kv/mm)

≥1.6

Constant   humidity and temperature

≥1.4

Dielectric   Constant

10GHZ

εr

3.0;6.0;9.2 ;9.6 ;10.2;16;20;22 (±2%)(can be customized)

 

 

Dissipation   Factor

10GHZ

tgδ(3~11)

≤1×10-3

tgδ(12~22)

≤1.5×10-3



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If you need microwave radio frequency PCB, click here Microwave Circuit.