Use electroplating to fill holes/resin plug holes to prevent solder paste or flux from flowing into the holes in the disk, Produce in strict accordance with customer process requirements, carefully make each product
6-layer resin plug hole PCB circuit board
6-layer plate hole filling PCB circuit board
10-layer plate hole-filled PCB circuit board
Surface treatment: Immersion gold
Material: FR4
Outer line width/line spacing: 4/3.5mil
Inner line width/line spacing: 4/3.5mil
Board thickness: 2.0mm
Minimum aperture: 0.25mm
Plug hole: resin plug hole
Surface treatment: Immersion gold
Material: FR4
Outer line width/line spacing: 5/4.5mil
Inner line width/line spacing: 5/5mil
Board thickness: 0.8mm
Minimum aperture: 0.2mm
Plug hole: electroplated hole filling
Surface treatment: Immersion gold
Material: FR4 Tg170
Outer line width/line spacing: 10/7.5mil
Inner line width/line spacing: 3.5/7mil
Board thickness: 2.0mm
Minimum aperture: 0.15mm
Plug hole: electroplated hole filling



Why does Xianhuihe Circuit produce FR4 high-precision circuit boards?
20+ years of technical engineers monitoring the whole process, superb technology



Product certification and factory system certification are complete




Orifice plate parameters
__
Conventional products
Special products
Special products
Filling standard
IPC 4761 Type VII
IPC 4761 Type VII
None
Minimum aperture
200µm
150µm
100µm
Minimum land size
400µm
350µm
300µm
Maximum aperture
500µm
400µm
--
Maximum land size
700µm
600µm
--
Minimum pitch
600µm
550µm
500µm
Thickness to diameter ratio: conventional via
1:12
1:12
1:10
Thickness to diameter ratio: blind hole
1:1
1:1
1:1
Application field

Marine Engineering
Extension of the coastline to the sea

Internet of Things
An important development stage in the "informatization" era

5G
Basic conditions for moving towards gigabit mobile networks and artificial intelligence
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.





Brand material





