label: PCB test items,board,Circuit board Substrates bad judgment 1 plate edge feather Acceptance: board edge roughness, has not affected the match function. Failed: board edge consecutive break b...
PCBWay
Dec 13,2013
792 views
label: PCB surface treatment,PCB proofing,printed-circuit board Surface of the board there are many types of treatment, PCB proofing personnel should be selected according to the board's performance ...
PCBWay
Dec 13,2013
2129 views
Keyword: pcb board, circuit board, PCB substrate materials PCB board is introduced: according to the brand quality level from the bottom to the high classification is as follows: 94 hb - 94 vo - 22 f...
PCBWay
Dec 13,2013
2899 views
Keyword: circuit PCB, PCB design (1). In general, the power cord and ground wiring in the first place, to ensure that the electrical performance of the circuit board. Within the scope of the conditio...
PCBWay
Dec 13,2013
807 views
Keyword: quantities of PCB, circuit board, PCB supplier Because HDI board to adapt to the high integration of IC and high-density interconnect assembly on the development of the technology, it put th...
PCBWay
Dec 13,2013
1238 views
Keyword: quantities of PCB, circuit board, PCB supplier Usually in the discussion to based on the parameters of the CNC programming problem, most upscale CAM system programmer would retreat. Most of ...
PCBWay
Dec 13,2013
1453 views
Keyword: PCB surface, circuit PCB , PCB design Double panel process is as follows: cutting plate → drill → The outer line → solder resist →character → surface treatment → molding →Will pick up 1. c...
PCBWay
Dec 13,2013
885 views
Keyword: process of PCB, PCB file, PCB, PCB parameters, PCB original file PCB from design to production, and involves a lot of things, among which processing factory process capability is directly de...
PCBWay
Dec 13,2013
1481 views
Keyword: design of PCB, PCB file, PCB If the engineer hard design of PCB file missing or damaged, that is a very helpless thing! But if keep the original GERBER file the PCB/ODB++ file, we can use th...
PCBWay
Dec 13,2013
2150 views
Keyword: circuit PCB electronic engineers, PCB Layout, PCB manufacturer, PCB template engineering process A. The necessity of PCB sample makeup First in terms of quantity, good circuit PCB electron...
PCBWay
Dec 13,2013
1053 views
Keyword: PCB factory, printed circuit board, PCB substrate, PCB manufacturing process In today's rapid development of science and technology, all kinds of high-tech electronic products emerge in endl...
PCBWay
Dec 13,2013
4072 views
Keyword: PCB factory, PCB process Film, is to use one of the important raw materials of PCB factory. With the photographic film is the same working principle, thus to save and use conditions has a ve...
PCBWay
Dec 13,2013
1584 views
Keyword: PCB assembly, printed circuit board, PCB test speed, PCB manufacturer In printed circuit board testing, flying probe testing is widely used. Compared with needle bed testing machine, testing...
PCBWay
Dec 13,2013
1971 views
Keyword: PCB file，PCB supplier， quantities of PCB Functions: in the case of the original PCB file missing or damaged, we can use the GERBER/ODB++ reverse generated PCB file to compensate for the loss...
PCBWay
Dec 13,2013
3969 views
Keyword: PCB process, PCB manufacturing 2 in front of the post process defects and solutions mainly talked about the base material and negative aspects, this paper focused on some problems about dril...
PCBWay
Dec 13,2013
2719 views
Keyword: PCB laminate, printed circuit board, PCB products, PCB manufacturer Printed circuit board according to the layer to have single panel, double panel and sandwich plate. The making craft of si...
PCBWay
Dec 13,2013
4483 views
Keyword: PCB substrate, process of PCB General technological process of PCB including: cutting, drilling, heavy copper - graphic transfer - graphic plating, etching, resistance welding - character - ...
PCBWay
Dec 13,2013
1484 views
Keyword: PCB manufacturer，gold-plated PCB，gold board PCB，PCB printing， PCB problem The characteristics of the gold plated As the IC integration is higher and higher, IC feet more close. And hard to ...
PCBWay
Dec 13,2013
1006 views
Keyword: PCB interlayer separation, PCB production 1. line section: (1), break, A, fracture or discontinuity on line, B, the line break length longer than 10mm, can not repair. C, PAD or break in...
PCBWay
Dec 13,2013
1376 views
Principle of non-isolated switching power supply are three basic ways of working circuit shown in Figure:
PCBWay
Dec 13,2013
153 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | _ Floppy Lab | 4 |
| 2 | PCBWay Team | 3 |
