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Our premium PCB service combines advanced process control systems with precision engineering capabilities. Designed for industries where reliability is crucial, our premium PCBs excel in automotive, medical, industrial, and other applications.

The number of copper layers in the board.

First-order: mainly includes single-sided or double-sided micro-hole processes, and the circuit layer has only one layer. This type of HDI PCB is suitable for applications with high requirements on cost and space, such as consumer electronics.

Second-order: contains two circuit layers, which are more complex but also more powerful than first-order HDI PCBs. They can handle higher signal frequencies and are suitable for applications that require high performance, such as high-end communication equipment and computer hardware.

Third-order: contains three circuit layers. They are the most complex type at present. They can handle the highest signal frequency and the maximum data transmission rate. They are usually used in applications that require the highest performance, such as aerospace and military equipment.

TG stands for Glass Transition Temperature.

The typical TG is 130℃ or higher, while medium TG is generally greater than 150℃, and advanced TG is typically above 170℃. The material's temperature resistance improves as the TG increases.

The delivery type refers to the method by which you request CyberPCB to produce and deliver your PCB design.

Single PCB:  Your design will be produced and delivered as individual PCBs.

Panel by Customer:  You are responsible for constructing the PCB panel and providing us with the panelized data for production.

Panel by CyberPCB:  We will construct the panel for you, incorporating v-cuts based on your requirements. (Please note that we only offer panelizing services for PCBs with regular shapes such as rectangles and circles. For PCBs with irregular shapes, you will need to panelize them yourself.)

 The PCBs within the panel are interconnected as depicted in the following diagram:

 There is a possibility of defective PCBs within the panel.

If you choose not to accept the X-out in the panel, the cost will increase accordingly.

 The board thickness represents the final thickness of the PCB after production, with an approximate error of 10% (+/-10% for T>=1mm or +/- 0.1mm for T<1mm). This error primarily stems from solder mask and copper sinking.

If you have specific thickness error requirements, kindly include them in the "Other Requirements" section.

The solder mask color refers to the color applied to the surface of the PCB.

Green and white are the available default colors for the solder mask. Selecting any other color will incur an additional fee.

In most cases, the silkscreen is printed in white on the PCB. 

However, when using a white solder mask, the silkscreen is printed in black. 

It's important to note that the white silkscreen may appear less distinct on a gray surface. It is not recommended to have a silkscreen on the bare aluminum surface.

 Surface finish plays a crucial role in PCB production as it serves multiple purposes. Firstly, it acts as a protective layer to prevent copper oxidation, which could render the PCB non-functional. Secondly, it provides a smooth surface that facilitates the soldering of components onto the PCB.

HASL (Hot Air Solder Leveling) is a cost-effective surface finishing option that involves the application of a thin protective layer of tin/lead on the PCB.

ENIG (Electroless Nickel Immersion Gold) has emerged as the industry's preferred surface finish due to its advantages, including a flat surface, lead-free and RoHS compliance, extended shelf life, and the ability to maintain tighter tolerances for plated holes.

OSP(Organic Solderability Preservatives) is also known as anti-tarnish. It involves the formation of an organic protective layer on clean and bare copper through adsorption.

ENEPIG (Electroless Nickel Electroless Palladium Immersion Gold) is a surface finish similar to ENIG (Electroless Nickel Immersion Gold) in that both processes involve the deposition of electroless nickel on top of copper plating. The key distinction is that while ENIG has gold directly deposited on top of the nickel layer, ENEPIG incorporates an additional layer of palladium between the nickel and final gold layer.

Depth of hard gold plating on PCB surface.

Depth of gold coating on PCB surface.

 The minimum width of the copper trace and the minimum spacing between two traces.

Our engineers will verify the minimum spacing.

 The minimum via diameter.

Our engineers will verify the minimum hole size.

The copper weight, measured in ounces per square foot, determines the thickness of copper on the outer layers of the PCB.

ps: 1oz=35um

The copper weight refers to the amount of copper on the inner layers of multilayer PCBs.

ps: 1oz=35um

BGA stands for Ball Grid Array, which is a type of packaging used to connect integrated circuits and PCBs using surface mount technology.

To improve transmission speed, PCB conductors carry various signals. Impedance variations caused by factors like etching, layer thickness, and line width can distort the signals.

"Impedance control" ensures high-speed PCB conductors stay within a specific range. The typical tolerance is ±10%.

If impedance requirements are documented but not selected when placing the order, it will be considered as disregarding the impedance requirement.

 Gold fingers are the gold-plated contacts located along the connecting edges of PCBs. They are exclusively gold-plated when the ENIG surface finish is selected. However, if you choose the HASL surface finish, we will use HASL for the edge connector plating.

To detect open and short circuit issues, testing will be conducted on all PCBs. A test rack will be provided for batch orders.

If you choose Yes, we'll email you the PCB production file, and production will proceed once you confirm. The lead time may be extended depending on the communication cycle.

We highly recommend choosing this option for PCBs used in automotive, military, or aerospace applications that demand high precision and reliability.

4-wire Kelvin testing is a methodology that utilizes high-resolution measurements to accurately detect small resistance changes. These measurements typically fall within the milliohm range, whereas standard electrical test measurements are in the ohm range. To efficiently identify hidden defects like hole integrity, a 4-wire Kelvin test is necessary.

Please choose the desired copper thickness for the holes you require.

Castellations are plated through holes positioned along the edges of a printed circuit board. They are created by cutting through the board to form a series of half holes.

The minimum diameter for castellated holes is 0.60mm.

To include UL marking on the board, please select the appropriate layer where you would like to add.

Regular and precision CNC routing methods primarily differ in the alignment process and the number of routing passes. 

In regular routing, the panel is secured at points outside individual PCBs, whereas precision routing utilizes alignment holes within each board for positioning. 

Regular routing involves a single-pass process, whereas precision routing consists of a rough pass followed by a fine pass.

For example, for a PCB with dimensions of 100mm x 80mm:

Test reports included in the package.

CyberPCB offers a service of inserting paper strips between PCBs to prevent scratches and maintain the quality of shipments.

Especially for PCB with Black/Matte Black solder mask and Surface treatment of Immersion Gold/ Gold Plating.

CyberPCB will include our product number on the PCB to differentiate your PCBs from others.

If you wish to have it removed, an additional charge of about $1.5 will apply.

If you prefer to have the product number placed in a specific location, please indicate the desired location by adding the text "CYBCYBCYB" in the silkscreen layer, the font size should be larger than 0.8mm in height and 5mil in width. There is no additional charge for this option.