Home page

Process Parameter
Areas of Application
Why Choose Us
Accreditation
Packaging & Transportation

Contacts Us

Add: Room 2314-2315, Zhonghui International Financial Center, Nansha District, Guangzhou.

WhatsApp: +86 13828471089

Email:regan@leizzipcb.com

HDI PCB

High-Density Interconnect (HDI) PCBs are core products in the electronics manufacturing industry, designed to overcome the density limitations of conventional PCBs. Unlike standard PCBs, HDI PCBs utilize advanced technologies including laser drilling, fine-line etching, and blind/buried via interconnection to achieve smaller vias, narrower trace widths and spacing, and higher layer counts. This allows more components and functional modules to be integrated within a limited board area, making HDI PCBs a cornerstone of modern electronics. They are widely used in sectors with strict space and performance requirements, such as mobile communication devices, precision medical instruments, aerospace systems, automotive electronic control units, industrial automation equipment, and high-end consumer electronics. The core value of HDI PCBs lies in using technological innovation to meet the demand for smaller, higher-performance electronic devices, driving product upgrades across industries.

Classification:

Keywords:

Email:

Process Parameter

High-Density Interconnect (HDI) PCBs are core products in the electronics manufacturing industry, designed to overcome the density limitations of conventional PCBs.

Unlike standard PCBs, HDI PCBs utilize advanced technologies including laser drilling, fine-line etching, and blind/buried via interconnection to achieve smaller vias, narrower trace widths and spacing, and higher layer counts. This allows more components and functional modules to be integrated within a limited board area, making HDI PCBs a cornerstone of modern electronics. They are widely used in sectors with strict space and performance requirements, such as mobile communication devices, precision medical instruments, aerospace systems, automotive electronic control units, industrial automation equipment, and high-end consumer electronics.

The core value of HDI PCBs lies in using technological innovation to meet the demand for smaller, higher-performance electronic devices, driving product upgrades across industries.

Item	Rigid PCB
Max Layer	64L
Inner Layer Min Trace/Space	3/3mil
Out Layer Min Trace/Space	3/3mil
Inner Layer Max Copper	6oz
Out Layer Max Copper	6oz
Min Mechanical Drilling	0.15mm
Min Laser Drilling	0.1mm
Aspect Ratio(Mechanical Drilling)	20:01
Aspect Ratio(Laser Drilling)	1:01
Press Fit Hole Ttolerance	±0.05mm
PTH Tolerance	±0.075mm
NPTH Tolerance	±0.05mm
Countersink Tolerance	±0.15mm
Board Thickness	0.4-8mm
Board Thickness Tolerance(＜1.0mm)	±0.1mm
Board Thickness Tolerance(≥1.0mm)	±10%
Impedance Tolerance	Single-Ended：±5Ω(≤50Ω)，±7%(＞50Ω)
Impedance Tolerance	Differential：±5Ω(≤50Ω)，±7%(＞50Ω)
Min Board Size	10*10mm
Max Board Size	22.5*30inch
Contour Tolerance	±0.1mm
Min BGA	7mil
Min SMT	7*10mil
Surface Treatment	ENIG,Gold Finger,Immersion Silver,Immersion Tin,HASL(LF),OSP,ENEPIG,Flash Gold;Hard gold plating
Solder Mask	Green,Black,Blue,Red,Matt Green
Min Solder Mask Clearance	1.5mil
Min Solder Mask Dam	3mil
Legend	White,Black,Red,Yellow
Min Legend Width/Height	4/23mil
Strain Fillet Width	/
Bow & Twist	0.30%

Areas of Application

Consumer Electronics

Aerospace

Telecommunications

Military Defense

Automotive Industry

Industrial Control

Why Choose Us ?

One-stop PCB PCBA service

Advanced equipment and technology

24 hours high quality online service

Fast delivery speed

Accreditation

Packaging & Transportation

Static electricity bag+EV pearl cotton

Anti-static bubble bags + carton slot

Carton slot + bubble foam

Anti-static kraft bubble bags

Shipping Way

For small packages, we advise to choose by express (such as DHL, UPS, FedEx, and EMS by door to door service!)is the quickest way.
For heavy packages, the best solution is by seafreight.