Bicheng Electronics Technology Co., Ltd
| Payment Terms | T/T |
| Supply Ability | 5000PCS per month |
| Delivery Time | 8-9 working days |
| Packaging Details | Vacuum bags+Cartons |
| Base material | Astra MT77 |
| Layer count | 2 layers |
| PCB thickness | 0.33mm |
| PCB size | 48.5mm x 43.3mm (1 piece), tolerance ±0.15mm |
| Silkscreen | White |
| Solder mask | Green |
| Copper weight | 1oz (1.4 mils / 35μm) |
| Surface finish | Immersion gold |
| Brand Name | Bicheng |
| Model Number | BIC-332.V1.0 |
| Certification | UL, ISO9001, IATF16949 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5000PCS per month |
| Delivery Time | 8-9 working days | Packaging Details | Vacuum bags+Cartons |
| Base material | Astra MT77 | Layer count | 2 layers |
| PCB thickness | 0.33mm | PCB size | 48.5mm x 43.3mm (1 piece), tolerance ±0.15mm |
| Silkscreen | White | Solder mask | Green |
| Copper weight | 1oz (1.4 mils / 35μm) | Surface finish | Immersion gold |
| Brand Name | Bicheng | Model Number | BIC-332.V1.0 |
| Certification | UL, ISO9001, IATF16949 | Place of Origin | CHINA |
| High Light | 2L MT77 RF PCB board ，10mil low-loss circuit board ，RF PCB with MT77 material | ||
This 2-layer rigid PCB is built with Astra MT77—an advanced low-loss dielectric material—optimized for millimeter-wave and RF/microwave commercial applications.
PCB Specifications
| Parameter | Specification |
| Layer Count | 2-layer rigid PCB |
| Base Material | Astra MT77 |
| Board Dimensions | 48.5mm x 43.3mm (1 piece), tolerance ±0.15mm |
| Finished Board Thickness | 0.33mm |
| Finished Copper Weight | 1oz (1.4 mils / 35μm) |
| Via Plating Thickness | 20μm |
| Minimum Trace/Space | 4 mils / 4 mils |
| Minimum Hole Size | 0.2mm |
| Vias | 21 total (no blind vias) |
| Surface Finish | Immersion Gold |
| Silkscreen | Top: White; Bottom: No |
| Solder Mask | Top: Green; Bottom: Green |
| Quality Assurance | 100% Electrical test prior to shipment |
| Accepted Standard | IPC-Class-2 |
| Availability | Worldwide |
PCB Stack-up (Top to Bottom)
| Layer Sequence | Layer Type | Specification | Thickness |
| 1 | Copper Layer (Top - L1) | Copper_layer_1 | 35μm (1oz) |
| 2 | Base Material | Astra MT77 | 0.254mm (10mil) |
| 3 | Copper Layer (Bottom - L2) | Copper_layer_2 | 35μm (1oz) |
Astra MT77 Material Overview
Astra MT77 is a breakthrough dielectric material designed for millimeter-wave frequencies and beyond. It delivers exceptional electrical performance that remains stable across a broad frequency range and temperatures (-40°C to +140°C), even up to W-band frequencies. As a cost-effective alternative to PTFE and other commercial microwave laminates, it meets the demands of modern commercial RF/microwave printed circuit designs while offering ultra-low loss and reliable performance.
Key Features of Astra MT77
| Property | Specification |
| Dielectric Constant (Dk) | 3.0 (2GHz/23°C; 10GHz/23°C) |
| Dissipation Factor (Df) | 0.0017 (2GHz; 10GHz) |
| Peel Strength (1oz Copper) | 5.7 lb/inch |
| Moisture Absorption | 0.1% |
| Coefficient of Thermal Expansion (CTE) | X-axis: 12 ppm/°C; Y-axis: 12 ppm/°C; Z-axis: 250–350 ppm/°C |
| Glass Transition Temperature (Tg) | 200°C (DSC method) |
| Flammability Rating | UL 94-V0 |
| Process Compatibility | Lead-free compatible |
Processing Advantages
Astra MT77 simplifies manufacturing with multiple practical benefits:
-Compatible with standard FR-4 processing workflows (no special equipment needed)
-Short lamination cycles for improved production efficiency
-Reduced drill wear to lower manufacturing costs
-No plasma desmear required, streamlining processing steps
-Good flow and fill characteristics for reliable layer adhesion
-Strong dimensional stability across production and operating conditions
-Supports multiple lamination cycles for flexible manufacturing
-Compatible with any layer technology, HDI, and VIPPO designs
Typical Applications
This 2-layer Astra MT77 PCB is specifically tailored for automotive -RF/microwave systems, including:
-Long-range antennas and radar for adaptive cruise control
-Pre-crash detection systems
-Blind spot monitoring
-Lane departure warning systems
-Stop-and-go systems
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
2003
Total Annual:
10 million-18 million
Employee Number:
350~450
Ecer Certification：
Verified Supplier
Company Profile Founded in 2003, Shenzhen Bicheng Electronics Technology Co., Ltd is an established high frequency PCB supplier and exporter in Shenzhen China, severing cellular base station antenna, satellite, high frequency passive components, microstrip line and band line circuit, millime... Company Profile Founded in 2003, Shenzhen Bicheng Electronics Technology Co., Ltd is an established high frequency PCB supplier and exporter in Shenzhen China, severing cellular base station antenna, satellite, high frequency passive components, microstrip line and band line circuit, millime...
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