Blind-Buried-Vias-Pcb2021-01-05T06:13:47+00:00

Including CNC drilling machine and CCD exposure machine using advanced automation, Ensure the accuracy of drilling, fine lines and accuracy of alignment

14-layer blind buried via PCB circuit board

8-layer blind buried hole immersion gold PCB circuit board

16-layer high TG immersion gold PCB circuit board

Number of floors: 14
Surface treatment: Immersion gold
Material: FR4
Outer line width/line spacing: 4/5mil
Inner line width/line spacing: 4/3.5mil
Board thickness: 1.6mm
Minimum aperture: 0.2mm
Number of floors: 8
Surface treatment: Immersion gold
Material: HF FR4
Outer line width/line spacing: 3/3mil
Inner line width/line spacing: 3/3mil
Board thickness: 0.8mm
Minimum aperture: 0.1mm
Number of floors: 16
Surface treatment: Immersion gold
Material: high TG, FR4
Outer line width/line spacing: 4/4mil
Inner line width/line spacing: 3.5/3.5mil
Board thickness: 2.43mm
Minimum aperture: 0.75mm
503-Huihe Circuits professional PCB circuit board circuit board manufacturer 14-layer blind buried via PCB circuit board
503-Huihe Circuits professional PCB circuit board circuit board manufacturer 8 layers blind buried vias immersion gold PCB circuit board
503-Huihe Circuits professional PCB circuit board circuit board manufacturer 16-layer high Tg immersion gold PCB circuit board

Why does Xianhuihe Circuit produce FR4 high-precision circuit boards?

20+ years of technical engineers monitoring the whole process, superb technology

5-Huihe Circuits professional PCB circuit board circuit board manufacturer-Technology 1
5-Huihe Circuits Professional PCB Circuit Board Circuit Board Manufacturer-Technology 2
5-Huihe Circuits professional PCB circuit board circuit board manufacturer-technology 3

Product certification and factory system certification are complete

PCB circuit board circuit board production and processing manufacturer Huihe Circuit OHSAS18001
PCB circuit board circuit board production and processing manufacturer Huihe Circuit ISO-9001
PCB circuit board circuit board production and processing manufacturer Huihe Circuit CQC certification
PCB circuit board circuit board production and processing manufacturer Huihe Circuit ISO13485

Blind and buried via circuit board design parameters

Buried hole

Buried vias connect two or more inner layers, but do not penetrate the outer layer

Blind hole

Blind vias connect one outer layer to at least one inner layer

Minimum aperture

Minimum orifice

Hole diameter in the disc

Maximum aperture

Aspect ratio

Blind hole (conventional)

0.1

0.1

0.3

0.4

1:10

Blind hole (special product)

0.075

0.075

0.225

0.4

1:12

Minimum aperture

Minimum orifice

Hole diameter in the disc

Maximum aperture

Aspect ratio

Blind hole (mechanical drilling)

0.1

0.1

0.3

0.4

1:10

Blind hole (laser drilling)

0.075

0.075

0.225

0.4

1:12

Application field

PCB circuit board circuit board production and processing manufacturer Huihe circuit communication equipment

communication device

Provide information convenience for life

1-pcb circuit board circuit board manufacturer Huihe Circuit Security Electronics

Security Electronics

Collection device for the purpose of security video surveillance

1-pcb circuit board circuit board manufacturer Huihe Circuit Rail Transit

Rail

Transportation system running on specific tracks

Factory Tour

       As a professional PCB circuit board service provider, Xinfeng Huihe Circuit Co., Ltd. focuses on the research and development of high-precision multilayer boards and special boards, as well as the production and manufacturing of PCB proofing and batch boards, with a plant area of ​​12,000 square meters.

       Huihe Circuit has an experienced technical team, masters the industry’s advanced process technology, and is equipped with reliable automated production equipment, testing equipment and a fully functional physical and chemical laboratory. In addition, raw materials such as Rogers Rogers, Taconic Taikangli, ARLON Yalong, Wangling, Nanya, Shengyi, and Kingboard are always in stock.

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Brand material

5-Huihe Circuit, a professional PCB circuit board circuit board manufacturer (1)
5-Huihe Circuit, a professional PCB circuit board circuit board manufacturer (2)
5-Huihe Circuit, a professional PCB circuit board circuit board manufacturer (3)
5-Huihe Circuit, a professional PCB circuit board circuit board manufacturer (4)
5-Huihe Circuit, a professional PCB circuit board circuit board manufacturer (5)
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