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20mil-Rogers-RO4350B-and-FR4-4-Layer-Hybrid-Mixed-Material-PCB-with-Blind-Via-and-Immersion-Gold |
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(Printed Circuit Boards are custom-made products. The picture and parameters shown are for reference only.) |
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Hello everyone,
Building on our previous discussion, today we’ll dive into the 20mil RO4350B and FR-4 hybrid PCB. In most cases, the high-frequency material is primarily responsible for signal transmission. Let’s take a closer look at the stack-up. |
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The 1st to 2nd layers consist of a 20mil (0.508mm) RO4350B high-frequency core, with signal transmission lines routed on the 1st layer copper. The 3rd to 4th layers are built on an epoxy glass core, and both cores are bonded together using a prepreg adhesive layer. |
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Basic specifications |
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Base material: RO4350B 0.508 mm + FR4 0.6mm + PP 0.306mm
Layer count: 4 layers
Panel: 75mm x 82mm = 1 type = 1 piece
Surface finish: Immersion gold
Copper weight: Outer layer 70 um/ Inner layer 35 um
Solder mask / Legend: green / white
Final PCB height: 1.6 mm
Standard: IPC 6012 Class 2
Packing: 20 panels are packed for shipment.
Lead time: 10 working days
Shelf life: 6 months |
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Features and benefits |
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1. Exceptional Thermal Stability:
With one of the lowest temperature coefficients of dielectric constant, RO4350B is perfect for temperature-sensitive applications.
2. Broadband Performance:
Its stable dielectric constant across a wide frequency range makes it an ideal choice for broadband designs.
3. Enhanced Signal Integrity:
Outperforms stack-ups using only FR4 materials, ensuring superior signal performance.
4.Certified Quality:
Manufactured in ISO9001, ISO14001, IATF16949, and UL-certified facilities, guaranteeing top-tier quality.
5. Scalable Production:
Supports seamless transition from prototyping to mass production, meeting diverse project needs. |
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Applications |
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Mixer, Radar data acquisition converter, Spread spectrum, Duplexer |
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Parameter and Data Sheet |
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PCB SIZE |
125mm x 125mm = 1 type = 1 piece |
BOARD TYPE |
Multlayer PCB |
Number of Layers |
4 Layers |
Surface Mount Components |
YES |
Through Hole Components |
YES |
LAYER STACKUP |
Copper -----Top Layer 0.070mm (2 oz) |
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RO4350B 0.508 mm |
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Copper -----Plain 0.035 mm |
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Prepreg 2113 X 3, 0.306mm |
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Copper -----Plain 0.035 mm |
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FR-4 0.6mm |
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Copper ------- Bottom Layer 0.070mm (2oz) |
TECHNOLOGY |
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Minimum Trace and Space: |
5.5 mil / 7.2 mil |
Minimum / Maximum Holes: |
0.4 mm / 5.7 mm |
Number of Different Holes: |
15 |
Number of Drill Holes: |
172 |
Number of Milled Slots: |
0 |
Number of Internal Cutouts: |
NA |
Impedance Control: |
N/A |
Number of Gold finger: |
N/A |
BOARD MATERIAL |
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Glass Epoxy: |
RO4350B Tg280℃, er<3.48, Rogers Corp.; FR-4 IT158, ITEQ |
Final foil external: |
2.0 oz |
Final foil internal: |
1.0 oz |
Final height of PCB: |
1.6 mm ±10% |
PLATING AND COATING |
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Surface Finish |
Immersion Gold |
Solder Mask Apply To: |
Both Top and Bottom sides |
Solder Mask Color: |
Green |
Solder Mask Type: |
LPI, Taiyo PSR-2000GT600D |
CONTOUR/CUTTING |
Routing |
MARKING |
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Side of Component Legend |
Top and bottom side |
Colour of Component Legend |
White, IJR-4000 MW300, Taiyo brand |
Manufacturer Name or Logo: |
Marked on the board in a conductor and leged FREE AREA |
VIA |
Plated through hole(PTH), minimum size 0.4mm. |
FLAMIBILITY RATING |
UL 94-V0 Approval MIN. |
DIMENSION TOLERANCE |
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Outline dimension: |
0.0059" |
Board plating: |
0.0029" |
Drill tolerance: |
0.002" |
TEST |
100% Electrical Test prior shipment |
TYPE OF ARTWORK TO BE SUPPLIED |
email file, Gerber RS-274-X, PCBDOC etc |
SERVICE AREA |
Worldwide, Globally. |
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Hot Tags:
20 mil RO4350B FR4 Hybrid PCB |
Hybrid PCB Mixed Circuit Board |
RO4350B Blind Via PCB Manufacturing |
Hybrid RO4350B FR4 PCB |
Hybrid Design Blind Via Circuit Board |
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