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Why more engineers are choosing OSP finish for F4BTMS1000 high-frequency PCB designs

Why more engineers are choosing OSP finish for F4BTMS1000 high-frequency PCB designs

Detail Information
Product Description
F4BTMS1000 High-Frequency PCB – Engineered for RF & Aerospace Applications
 
Overview
The F4BTMS1000 is a high-performance, 2-layer rigid PCB designed for demanding RF, microwave, and aerospace applications. Constructed with advanced F4BTMS1000 ceramic-filled PTFE material, this PCB is characterized by exceptional electrical stability, ultra-low loss, and superior thermal management—making it well-suited for phase-sensitive antennas, radar systems, and satellite communications.
 
 
 
Key Features & Benefits
✅ Ultra-Low Signal Loss
  • A dielectric constant (Dk) of 10.2 @ 10GHz is achieved, along with a dissipation factor (Df) of 0.0020 @ 10GHz (0.0023 @ 20GHz).
  • RTF low-roughness copper foil is used to minimize conductor loss while ensuring strong peel strength.
 
✅ High Thermal & Dimensional Stability
  • Thermal conductivity is measured at 0.81 W/mK, enabling efficient heat dissipation.
  • Low CTE values are maintained, with X/Y/Z coefficients of 16/18/32 ppm/°C (–55°C to 288°C), reducing warping under thermal stress.
  • Moisture absorption is limited to just 0.03%, ensuring reliability in harsh environments.
 
✅ Aerospace-Grade Material
  • The material is reinforced with nano-ceramics and ultra-fine glass fiber, minimizing dielectric anisotropy and enhancing signal integrity.
  • Stable dielectric properties are maintained across a wide temperature range (–55°C to 150°C), supported by a thermal Dk coefficient of –320 ppm/°C.
 
✅ Precision Manufacturing
  • 4/4 mil trace/space, 0.3mm minimum hole size, and 20μm via plating are supported for high-density designs.
  • OSP surface finish is applied for solderability without masking/silkscreen (ensuring clean RF performance).
  • 100% electrical testing is conducted (per IPC-Class-2 standards).
 
Technical Specifications
Parameter Details
  1. Base Material: F4BTMS1000 (Ceramic-PTFE Composite)
  2. Layers: 2
  3. Dimensions: 85mm x 40mm (±0.15mm)
  4. Thickness: 0.6mm (0.508mm core + 35μm Cu layers)
  5. Surface Finish: OSP (No solder mask/silkscreen)
  6. Artwork Format: Gerber RS-274-X
 
 
Advantages of the F4BTMS1000 PCB
  1. Imported Substrates Can Be Replaced: Comparable performance to high-end foreign RF materials is offered at a competitive cost.
  2. Optimized for High-Frequency: Minimal dispersion and loss are ensured up to 20GHz+.
  3. Reliability is Guaranteed: Compliance with IPC-Class-2 standards is maintained for aerospace and defense applications.
 
 
Typical Applications
 
products
PRODUCTS DETAILS
Why more engineers are choosing OSP finish for F4BTMS1000 high-frequency PCB designs
Detail Information
Product Description
F4BTMS1000 High-Frequency PCB – Engineered for RF & Aerospace Applications
 
Overview
The F4BTMS1000 is a high-performance, 2-layer rigid PCB designed for demanding RF, microwave, and aerospace applications. Constructed with advanced F4BTMS1000 ceramic-filled PTFE material, this PCB is characterized by exceptional electrical stability, ultra-low loss, and superior thermal management—making it well-suited for phase-sensitive antennas, radar systems, and satellite communications.
 
 
 
Key Features & Benefits
✅ Ultra-Low Signal Loss
  • A dielectric constant (Dk) of 10.2 @ 10GHz is achieved, along with a dissipation factor (Df) of 0.0020 @ 10GHz (0.0023 @ 20GHz).
  • RTF low-roughness copper foil is used to minimize conductor loss while ensuring strong peel strength.
 
✅ High Thermal & Dimensional Stability
  • Thermal conductivity is measured at 0.81 W/mK, enabling efficient heat dissipation.
  • Low CTE values are maintained, with X/Y/Z coefficients of 16/18/32 ppm/°C (–55°C to 288°C), reducing warping under thermal stress.
  • Moisture absorption is limited to just 0.03%, ensuring reliability in harsh environments.
 
✅ Aerospace-Grade Material
  • The material is reinforced with nano-ceramics and ultra-fine glass fiber, minimizing dielectric anisotropy and enhancing signal integrity.
  • Stable dielectric properties are maintained across a wide temperature range (–55°C to 150°C), supported by a thermal Dk coefficient of –320 ppm/°C.
 
✅ Precision Manufacturing
  • 4/4 mil trace/space, 0.3mm minimum hole size, and 20μm via plating are supported for high-density designs.
  • OSP surface finish is applied for solderability without masking/silkscreen (ensuring clean RF performance).
  • 100% electrical testing is conducted (per IPC-Class-2 standards).
 
Technical Specifications
Parameter Details
  1. Base Material: F4BTMS1000 (Ceramic-PTFE Composite)
  2. Layers: 2
  3. Dimensions: 85mm x 40mm (±0.15mm)
  4. Thickness: 0.6mm (0.508mm core + 35μm Cu layers)
  5. Surface Finish: OSP (No solder mask/silkscreen)
  6. Artwork Format: Gerber RS-274-X
 
 
Advantages of the F4BTMS1000 PCB
  1. Imported Substrates Can Be Replaced: Comparable performance to high-end foreign RF materials is offered at a competitive cost.
  2. Optimized for High-Frequency: Minimal dispersion and loss are ensured up to 20GHz+.
  3. Reliability is Guaranteed: Compliance with IPC-Class-2 standards is maintained for aerospace and defense applications.
 
 
Typical Applications
 
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