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Address: Shenzhen YingSheng Technology Co., Ltd 805, Tongxin Technology Building, Qiaotou Community, Fuhai Street, Baoan District, Shenzhen
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High Quality Pcba Service Pcb Assembly Fr4 High Tg Multilayer Hdi Pcb Board Manufacturer
What is a HDI PCB?
HDI stands for High Density Interconnector. A circuit board which
has a higher wiring density per unit area as opposed to
conventional board is called as HDI PCB. HDI PCBs have finer spaces
and lines, minor vias and capture pads and higher connection pad
density. It is helpful in enhancing electrical performance and
reduction in weight and size of the equipment. HDI PCB is the
better option for high-layer count and costly laminated boards.
Regarding the electrical needs of high-speed signal, the board should have various features i.e. high-frequency transmission capability, impedance control, decreases redundant radiation, etc. The board should be enhanced in the density because of the miniaturization and arrays of the electronic parts. In addition, to the result of the assembling techniques of leadless, fine pitch package and direct chip bonding, the board is even featured with exceptional high-density.
Innumerable benefits are associated with HDI PCB, like high speed, small size and high frequency. It is the primary part of portable computers, personal computers, and mobile phones. Currently, HDI PCB is extensively used in other end user products i.e. as MP3 players and game consoles, etc.
HDI PCBs take advantage of the most recent technologies existing to amplify the functionality of circuit boards by means of the similar or little amounts of area. This development in board technology is motivated by the tininess of parts and semiconductor packages that assist superior characteristics in innovative new products like touch screen tabs.
HDI PCBs are described by high-density features comprising of laser micro-vias, high performance thin materials and fine lines. The better density allows extra functions per unit area. These types of multifaceted structures give the required routing resolution for large pin-count chips which are used in mobile devices and other high technology products.
The placement of the parts on the circuit board needs extra precision than conservative board design due to miniature pads and fine pitch of the circuitry on the circuit board. Leadless chips require special soldering methods and additional steps in the assembly and repair process.
The lesser weight and size of the HDI circuitry means the PCBs fit into the little spaces and have a smaller amount of mass than conservative PCB designs. The smaller weight and size even signifies that there is lesser chance of harm from mechanical
Advantages of HDI PCB
The most common reason for using HDI technology is a significant
increase in packaging density.
The space obtained by finer track structures is available for components.
Besides, overall space requirements are reduced will result in smaller board sizes and fewer layers.
Usually FPGA or BGA are available with 1mm or less spacing.
HDI technology makes routing and connection easy, especially when routing between pins.
| YScircuit HDI PCB manufacturing capabilities overview | |
| Feature | capabilities |
| Layer Count | 4-60L |
| Available HDI PCB Technology | 1+N+1 |
| 2+N+2 | |
| 3+N+3 | |
| 4+N+4 | |
| 5+N+5 | |
| Any layer | |
| Thickness | 0.3mm-6mm |
| Minimum line Width and Space | 0.05mm/0.05mm(2mil/2mil) |
| BGA PITCH | 0.35mm |
| Min laser Drilled Size | 0.075mm(3nil) |
| Min mechanical Drilled Size | 0.15mm(6mil) |
| Aspect Ratio for laser hole | 0.9:1 |
| Aspect Ratio for through hole | 16:1 |
| Surface Finish | HASL, Lead free HASL,ENIG,Immersion Tin, OSP, Immersion Silver, Gold Finger, Electroplating Hard Gold, Selective OSP,ENEPIG.etc. |
| Via Fill Option | The via is plated and filled with either conductive or non-conductive epoxy then capped and plated over |
| Copper filled, silver filled | |
| Laser via copper plated shut | |
| Registration | ±4mil |
| Solder Mask | Green, Red, Yellow, Blue, White, Black, Purple, Matte Black, Matte green.etc. |
| layer/m² | S＜1㎡ | S＜3㎡ | S＜6㎡ | S＜10㎡ | S＜13㎡ | S＜16㎡ | S＜20㎡ | S＜30㎡ | S＜40㎡ | S＜50㎡ | S＜65㎡ | S＜85㎡ | S＜100㎡ |
| 1L | 4wds | 6wds | 7wds | 7wds | 9wds | 9wds | 10wds | 10wds | 10wds | 12wds | 14wds | 15wds | 16wds |
| 2L | 4wds | 6wds | 9wds | 9wds | 11wds | 12wds | 13wds | 13wds | 15wds | 15wds | 15wds | 15wds | 18wds |
| 4L | 6wds | 8wds | 12wds | 12wds | 14wds | 14wds | 14wds | 14wds | 15wds | 20wds | 25wds | 25wds | 28wds |
| 6L | 7wds | 9wds | 13wds | 13wds | 17wds | 18wds | 20wds | 22wds | 24wds | 25wds | 26wds | 28wds | 30wds |
| 8L | 9wds | 12wds | 15wds | 18wds | 20wds | 20wds | 22wds | 24wds | 26wds | 27wds | 28wds | 30wds | 30wds |
| 10L | 10wds | 13wds | 17wds | 18wds | 20wds | 20wds | 22wds | 24wds | 26wds | 27wds | 28wds | 30wds | 30wds |
| 12L | 10wds | 15wds | 17wds | 18wds | 20wds | 20wds | 22wds | 24wds | 26wds | 27wds | 28wds | 30wds | 30wds |
| 14L | 10wds | 16wds | 17wds | 18wds | 20wds | 20wds | 22wds | 24wds | 26wds | 27wds | 28wds | 30wds | 30wds |
| 16L | 10wds | 16wds | 17wds | 18wds | 20wds | 20wds | 22wds | 24wds | 26wds | 27wds | 28wds | 30wds | 30wds |
FQA
What is HDI PCBs?
High density interconnect (HDI) PCBs represent one of the fastest-growing segments of the printed circuit board market.
Because of its higher circuitry density, the HDI PCB design can incorporate finer lines and spaces, smaller vias and capture pads, and higher connection pad densities.
A high-density PCB features blind and buried vias and often contains microvias that are .006 in diameter or even less.
1.Multi-step HDI enables the connection between any layers;
2.Cross-layer laser processing can enhance the quality level of multi-step HDI;
3.The combination of HDI and high-frequency materials, metal-based laminates, FPC and other special laminates and processes enable the needs of high density and high frequency, high heat conducting, or 3D assembly.
