Shenzhen KnownPCB Technology Co., Ltd.
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Contact Us

Contacts:Amy Jiang
Tel: 86+755-27944155
Fax: 86+755-27944159
Mobile: +86 1355 4899 361
E-mail: Amy@knownpcb.com
Add.:Floor 23A1,Dongjianghaoyuan Bldg, Longjing Road,Xin'an Street,Bao'an Dist.,Shenzhen,China.

Technical Capability

Item

Parameter

Special instruction

Board Type

Rigid boardFPCRigid-Flex board

 

software

Genesis2000U-cam cam350GC-cam

Powerpcb,Protel is acceptable

material

FR4CEM-1CEM-3Halogen free materialAluminium base materialROGRES materialTeflon TaconicPolyimideetc.

 

Board thickness(mm)

2 layer

0.1mm-3.20mm

 

multilayers

0.4mm-3.40mm

 

Min. board thickness(mm)

2 layer

0.1mm

 

multilayers

0.4mm

 

Max. board size(mm)

2 layer

610mm*510mm

 

multilayers

600mm*500mm

 

Min. hole diametermm

0.1mm

0.1mm means finishing hole

Min. track width/space(mil)

3/3mils

 

Min. annular ringmil

Via:0.1mm

 

PTH:0.125mm

Distance between copper to board outlinemm

CNC0.25mm

 

V-CUT:0.35mm(ref.board thickness 1.6mm)

 

Max.board layers

36 layers

 

Soldmask

Soldmask opening

0.05mm

0.05mm means partial edge of soldmask opening.

Soldmask dam

0.075mm

 

Color

greenblueyellowredpurpleblack

Matte green,blue,black and red

Silkscreen

Min.width

0.125mm

 

Min.height

0.80mm

 

Color

whiteyellow,black

 

Surface treatment

HALHAL lead free,OSPgold plated(max:80U")immersion goldimmersion tinimmersion silverHAL+gold fingers

Including carbon ink and peelable mask.

Copperin hole wall(um

≥18um

Can meet 25um and 18um is guaranteed.

Platting thickness

Plate gold

Nickel ≥150U",Gold 1-3U" (Can do max 80U")

Extra cost needed if thicker gold thickness required

Immersion gold

Nickel ≥150U",Gold 1-3U"(Can do max 6U")

Extra cost needed if thicker gold thickness required

Gold fingers

Nickel ≥150U",Gold= 5 to 80 U"

80U”(max)

 

 

 

Base copper thickness(OZ)

 

 

Outer copper

Copper thickness

Min.track width/space(mil)

 

HAL,   immersion gold

Gold plated

The track width should be more than required value if track space is fixed.

HOZ

3/3mil

3/3mil

1OZ

5/5mil

4/4mil

2OZ

8/8mil

6/6mil

3OZ

10/10mil

8/8mil

4OZ

14/14mil

10/10mil

 

Base copper thickness(OZ

Inner copper

HOZ

3.5/3.5mil

3.5/3.5mil

 

1OZ

4.5/4.5mil

4.5/4.5mil

2OZ

7.5/7.5mil

5.5/5.5mil

3OZ

9.5/9.5mil

7.5/7.5mil

4OZ

13.5/13.5mil

9.5/9.5mil

Board thickness tolerance

T<1.0mm:+/-0.1mm;T≥1.0mm:+/-10%

 

Finishing hole tolerance(mm)

PTH: +/-0.075mm

NPTH: +/-0.05mm