1.6MM Thickness 10 Layer PCB Lead Free Hasl Printed Circuit Board Green Solder Mask
10 Layer Printed Circuit Board 1.6MM Thickness Green Solder Mask
Main Features:
1 10 Layer customized printed circuit board manufacturered based on customer's gerber files.
2 Used in Motor areas.
3 Material is FR4 S1000-2 TG170.
4 The finished board thickness is 1.6MM.
5 The finished copper thickness is 35UM.
6 Surface treatment is ENIG 2U'.
7 Drilling: L1-L10 0.2MM
8 Lead time is around 20 working days.
Material Data Sheet:
| S1000-2 | |||||
| Items | Method | Condition | Unit | Typical Value | |
| Tg | IPC-TM-650 2.4.25 | DSC | ℃ | 180 | |
| IPC-TM-650 2.4.24.4 | DMA | ℃ | 185 | ||
| Td | IPC-TM-650 2.4.24.6 | 5% wt. loss | ℃ | 345 | |
| CTE (Z-axis) | IPC-TM-650 2.4.24 | Before Tg | ppm/℃ | 45 | |
| After Tg | ppm/℃ | 220 | |||
| 50-260℃ | % | 2.8 | |||
| T260 | IPC-TM-650 2.4.24.1 | TMA | min | 60 | |
| T288 | IPC-TM-650 2.4.24.1 | TMA | min | 20 | |
| T300 | IPC-TM-650 2.4.24.1 | TMA | min | 5 | |
| Thermal Stress | IPC-TM-650 2.4.13.1 | 288℃, solder dip | -- | 100S No Delamination | |
| Volume Resistivity | IPC-TM-650 2.5.17.1 | After moisture resistance | MΩ.cm | 2.2 x 108 | |
| E-24/125 | MΩ.cm | 4.5 x 106 | |||
| Surface Resistivity | IPC-TM-650 2.5.17.1 | After moisture resistance | MΩ | 7.9 x 107 | |
| E-24/125 | MΩ | 1.7 x 106 | |||
| Arc Resistance | IPC-TM-650 2.5.1 | D-48/50+D-4/23 | s | 100 | |
| Dielectric Breakdown | IPC-TM-650 2.5.6 | D-48/50+D-4/23 | kV | 63 | |
| Dissipation Constant (Dk) | IPC-TM-650 2.5.5.9 | 1MHz | -- | 4.8 | |
| IEC 61189-2-721 | 10GHz | -- | — | ||
| Dissipation Factor (Df) | IPC-TM-650 2.5.5.9 | 1MHz | -- | 0.013 | |
| IEC 61189-2-721 | 10GHz | -- | — | ||
| Peel Strength (1Oz HTE copper foil) | IPC-TM-650 2.4.8 | A | N/mm | — | |
| After thermal Stress 288℃,10s | N/mm | 1.38 | |||
| 125℃ | N/mm | 1.07 | |||
| Flexural Strength | LW | IPC-TM-650 2.4.4 | A | MPa | 562 |
| CW | IPC-TM-650 2.4.4 | A | MPa | 518 | |
| Water Absorption | IPC-TM-650 2.6.2.1 | E-1/105+D-24/23 | % | 0.1 | |
| CTI | IEC60112 | A | Rating | PLC 3 | |
| Flammability | UL94 | C-48/23/50 | Rating | V-0 | |
| E-24/125 | Rating | V-0 | |||
FQA:
Q1: What is HASL - Hot Air Solder Leveling?
A1:
HASL (Hot Air Solder Leveling) is a metallic surface finishing technique, which is performed on the outermost layer of the PCB board to protect the exposed copper surfaces like tracks until the component placement and soldering is completed.
The HASL coating is composed of Solder with 63% Tin and 37% Lead, and during the assembly process, this coating gets dissolved with the soldering material.
The HASL Coating is applied as per the steps below:
- The process starts with the immersion of the PCB board into a molten tin/lead solution, where all exposed copper area is covered by this solution.
- After that, a Hot Air Leveler (HAL) ensures the uniformity of solder deposit by removing the excess solder from the PCB board, using high pressure hot air knives. The purpose of this is to leave a uniform and thin possible layer on the board.
- This coating protects the copper traces from corrosion until the board goes in for the assembly process.
Advantages of HASL:
- Resistance to copper corrosion
- Excellent wetting capability during the soldering process
- Provides excellent quality solder joint (solderability) by making component soldering more effective
- Economical
- Can be re-worked easily
- Suitable for Lead-free PCBs
- Reduce the chances of PCB failure
Limitations of HASL:
- It offers high thermal stress to the PCB, which results in defects.
- Due to the inconsistent thickness of HASL coating, it’s not a feasible solution for SMT component placement.
- Not suitable for PTH (Plated Through Hole) components.
- Less environment-friendly
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