VT-441 CCL/Laminate VT-441 PP/Prepreg

UL Approval: E214381 Version: Rev. B4 24/06/2018 /127/128

Storage Condition & Shelf Life

Precautions In Handling

  • The prepreg exceeding shelf time should be retested.
  • Take care in handling thin core laminates as they are easily damaged.
  • If the prepreg is not consumed within 48hrs after opening the vacuum package, it is recommended that the bags be resealed.
  • Material is available in both long and short grain. The grain direction is indicated on the label with an arrow.

 

Designing And Inner Layer Process

  • Please be careful when single ply of 1080, 1086, 1078 or 106 prepreg is designed to the dielectric layer.
  • Dimension stability is the same as Standard FR4 material.
  • Please check with your oxide vendor to make sure that our material is suitable with your oxide process. We recommend to control the peel strength with brown oxide copper over 2 Lb/in.
  • For unclad or single sided laminates to be used in multilayer, please brush unclad sides before use.

 

Prepreg Availability

E-Glass styles: 7628, 1506, 1500, 2113, 2313, 3313, 2116, 1080, 1086, 1078, 106, 1067 etc.

Prepreg Availability

PP Type Resin Content Press Thickness (mil) DK DF Remark
@ 1GHz @ 2GHz @ 5GHz @ 10GHz @ 1GHz @ 2GHz @ 5GHz @ 10GHz
7628 45% 7.50 4.35 4.30 4.25 4.25 0.012 0.013 0.013 0.014 Standard
1506 52% 7.20 4.15 4.10 4.05 4.05 0.013 0.014 0.014 0.015 Standard
2116 58% 5.20 3.98 3.93 3.88 3.88 0.013 0.014 0.014 0.015 Standard
2116 54% 4.70 4.10 4.05 4.00 4.00 0.013 0.014 0.014 0.015 Standard
2116 52% 4.50 4.15 4.10 4.05 4.05 0.013 0.014 0.014 0.015 Standard
2113 57% 4.10 4.00 3.95 3.90 3.90 0.013 0.014 0.014 0.015 Standard
1080 68% 3.20 3.80 3.73 3.68 3.68 0.014 0.015 0.015 0.016 Standard
1080 66% 3.00 3.83 3.76 3.70 3.70 0.014 0.015 0.015 0.016 Standard
1078 65% 3.00 3.83 3.76 3.70 3.70 0.014 0.015 0.015 0.016 Standard
1067 73% 2.70 3.72 3.62 3.56 3.56 0.015 0.016 0.016 0.017 Standard
106 75% 2.30 3.68 3.58 3.50 3.50 0.016 0.017 0.017 0.018 Standard
1037 71% 2.00 3.77 3.68 3.63 3.63 0.015 0.016 0.016 0.017 Standard

① Press thickness test condition---Prepreg lamination size 18”*24”, Copper Foil---1oz/1oz, Flow---about 5%; ② Make laminated prepreg to micro-section and measure the thickness with microscope; this thickness is used for resistance design calculation. ③ The thickness measured with micrometer is 0.2~0.4 mil larger than that measured with micro-section; and mainly used for total thickness design calculation.

Laminate Availablity

Thickness: 0.002” (0.05mm) to 0.200” (5mm), available in sheet or panel form Copper Foil: 1/4 to 12oz, HTE or RTF or DST DK values are for impedance design.

Laminate Availability

Core thk. (Inches) Stack-up Resin Content DK DF Remark
@ 1GHz @ 2GHz @ 5GHz @ 10GHz @ 1GHz @ 2GHz @ 5GHz @ 10GHz
0.0015 1-1027 70% 3.77 3.67 3.60 3.60 0.015 0.016 0.016 0.017 Standard
0.002 1-1037 72% 3.73 3.63 3.58 3.58 0.015 0.016 0.016 0.017 Non-standard
0.002 1-106 72% 3.73 3.63 3.58 3.58 0.015 0.016 0.016 0.017 Standard
0.003 1-1080 66% 3.83 3.73 3.68 3.68 0.014 0.015 0.015 0.016 Standard
0.004 1-2116 46% 4.35 4.30 4.25 4.20 0.013 0.014 0.014 0.015 Standard
0.004 2-106 72% 3.73 3.63 3.58 3.58 0.015 0.016 0.016 0.017 2ply
0.005 1-2116 55% 4.05 4.00 3.95 3.95 0.013 0.014 0.014 0.015 Standard
0.006 1-1506 45% 4.35 4.30 4.25 4.20 0.012 0.013 0.013 0.014 Standard
0.007 1-7628 41% 4.50 4.45 4.40 4.40 0.012 0.013 0.013 0.014 Standard
0.008 1-7628 46% 4.35 4.30 4.25 4.25 0.012 0.013 0.013 0.014 Standard
0.008 2-2116 46% 4.35 4.30 4.25 4.25 0.012 0.013 0.013 0.014 2ply
0.010 2-2116 55% 4.05 4.00 3.95 3.95 0.013 0.014 0.014 0.015 Standard
0.012 2-1506 45% 4.35 4.30 4.25 4.25 0.012 0.013 0.013 0.014 Standard
0.014 2-7628 41% 4.50 4.45 4.40 4.40 0.012 0.013 0.013 0.014 Standard
0.016 2-7628 46% 4.35 4.30 4.25 4.25 0.012 0.013 0.013 0.014 Standard
0.028 4-7628 41% 4.50 4.45 4.40 4.40 0.012 0.013 0.013 0.014 Standard
0.036 5-7628 43% 4.40 4.35 4.30 4.30 0.012 0.013 0.013 0.014 Standard
0.045 6-7628 46% 4.35 4.30 4.25 4.25 0.012 0.013 0.013 0.014 Standard
0.049 7-7628 41% 4.50 4.45 4.40 4.40 0.012 0.013 0.013 0.014 Standard
0.059 8-7628 44% 4.40 4.35 4.30 4.30 0.012 0.013 0.013 0.014 Standard

Press Condition

1. Heating rate(Rise of Rate) of material [Material Temperature]
Programmable Press: 1.5-3.0℃/min (3~5℉/min).  Manual Press:3~6℃ /min (5~10℉/min)

2. Curing Temperature & Time: >50min at more than 180℃ (356℉)[Material Temperature]

3. Full Pressure : ≥250-300psi

4. Vacuuming should be continued until over 140℃ (284℉) [Material Temperature]  

5. Cold Press condition:  
Keep Plate @ Room Temperature by water, Pressure:100psi, Keep Time:60minutes

hot-start-cycle-VT-441.jpg hot-start-cycle-VT-441-manual.jpg adara-(cedal)-press-cycle-VT-441.jpg

Typical Drilling Parameters (φ0.3-1.0 mm)

Desmearing Process

1. Desmear rate of VT-441 is less than that of the conventional FR4; 2. Adjustments to the desmear process are necessary for the lead-free materials; 3. Check with your chemical supplier for recommendations.

Downloads for VT-441