4Layer,FR-4, 1.6mm, Imepdance control.

2Layer,FR-4, 2.0mm, Blind Routing.

6Layer,FR-4, 3.0mm, 2oz Copper.

6Layer,FR-4, 1.6mm, Countersunk Plated.

16Layer,FR-4, 3.6mm, Impedance control, Min 0.35mm hole.

8Layer,FR-4, 1.6mm, HDI (1+N+1).

2Layer,FR-4, 1.0mm, Entek (OSP)

6Layer,FR-4, 1.6mm, Immersion Silver.

4Layer,FR-4, 1.0mm, (1+2+1), ENIG

4Layer,FR-4, 1.6mm, Peelable solder mask.

2Layer, FR-4, 0.8mm,  ENIG.

6Layer, FR-4,1.6mm,ENIG Black S/M.

SBL (Single Build Up Laser) Technology Road Map

                                      Class I                            Class II

*Material

Dielectric Layer 

Thickness:                     50,70+/-10um                 50,70+/-10um

Material:                       RCC(Laser Drill Layers),FR-4

Dielectric Constant:        3.75(@1MHz)/3.20(@2GHz)

Impedance Control:       +/-10%                             +/-7%              

*Design Specification

Internal Layer

a. Conductor W/S:         100/100um                       75/100um

b. Clearance Diameter:   Hole Dia.+0.65mm            +0.60mm

c. Land Dimeter:            Hole Dia.+0.30mm            +0.25mm

External Layer

d. Conductor W/S:         100/100um                      75/100um

e. PTH Diameter:           0.30mm                          0.25mm

f. PTH Land Diameter:    Hole Dia.+0.30mm           +0.25mm

PTH Distance:                Land Dia.+0.15mm           +0.15mm         

*BVH

h. Hole Diameter:           0.30mm                          0.25mm

i. Land Diameter:           Hole Dia.+0.25mm           +0.25mm

BVH Distance:                Land Dia.+0.15mm           +0.15mm             

*LBH

k. Hole Diameter:           -0.10mm                         -0.10mm

m. Land Diameter:         Hole Dia.+0.25mm           +0.20mm

LBH Distance:                Land Dia.+0.15mm           +0.15mm 

                                        Typical Specification

Class I: Volume Product Capability        Class II: Advanced Product Capability

sale@welsa.com