Air Transport Requirements For Lithium Ion Batteries
Testing Certification Requirements
How to add a new product version
1. Add Version Flag
After login the WO system. Click List Product at the left-side-menu.Select the specific Product, which your want to add a new version on.
PCB Devices Placement
1. General Rules for Devices Placement
a) THD devices with polarity or direction are required to place in the same direction, and as neat as possible. For SMD devices that cannot meet the...
PCB Routing Requirements
1. Line Width/Space and Security Requirements
When the packing density is permissible, choosing a lower-density routing design to improve reliability and defect-free manufacturing capacity....
Design of Hole
1. Design of Through Hole
Care should be taken to distinguish between single ended and differential trace impedance. High speed single ended signals such as the parallel RGB LCD or camera interface need to be routed with...
Bonding Pad Design Ⅰ
1.Design of bonding pad with through hole cartridge componentsa) The diameter design of components plug-in holes is according to the leading wire diameter, the lead shaped condition, and wave...
Bonding Pad Design Ⅱ
SMD component bonding pad design
2.1 Passive device pad design
2.1.1 Rectangle component pad designShapes of resistor and capacitor and bonding pads are as shown in Figure 2.1.1. Bonding pads ’...
Screen Printing Design
General requirements for screen printing
1. The line weight of screen printing should be greater than 6 mil, and make sure character height could be visible to the naked eye (height greater than...
6 Suggestions for Engineers of Components Selection
There was a common phenomenon existing in products technical condition in some corporations: all developers condemned the purchase and process department that being in lax control of components,...
Export Drill File from Eagle2
After the design of a printed circuit board (PCB) completing, it needs to be sent to a PCB manufacturer to be fabricated. Manufacturers often require an industry standard file format that...
NexPCB Supports Indiegogo Campaigns
What is a printed circuit board -- Basic PCB Concepts?
This article is from Electrosoft Engineering , it is useful to clarify the mind for new hand.
Low Cost PCB Fabrication (Cheapest PCB Fabrication) - Reviews
PCB Stack-Up Design
Before designing multi-layer PCB circuit boards, designers need to confirm the circuit boards structure primarily based on the scale of circuit, the size of circuit boards, and the requirements of...