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2. CR-5000 - Wikipedia

   en.wikipedia.org/wiki/CR-5000

   CR-5000 is made to facilitate the design of complex and high-speed boards, with features aimed at addressing challenges such as signal integrity and electromagnetic compatibility. CR-5000 is the fourth-generation successor of CREATE1000, originally developed for the PDP-11 by Zukei-Gijutsu-Kenkyusho (Japanese for "Graphic Technology and ...

3. Via (electronics) - Wikipedia

   en.wikipedia.org/wiki/Via_(electronics)

   PCB via current capacity chart showing 1 mil plating via current capacity & resistance versus diameter on a 1.6 mm PCB. In printed circuit board (PCB) design, a via consists of two pads in corresponding positions on different copper layers of the board, that are electrically connected by a hole through the board.

4. Signal integrity - Wikipedia

   en.wikipedia.org/wiki/Signal_integrity

   Signal Integrity (SI) in PCB design refers to the quality of electrical signals as they travel through traces, vias, and components on a printed circuit board. Ensuring good signal integrity is critical for high-speed and high-frequency designs, as poor signal quality can lead to data errors, signal distortion, and system malfunction.

5. IPC (electronics) - Wikipedia

   en.wikipedia.org/wiki/IPC_(electronics)

   IPC-2141A Design Guide for High-Speed Controlled Impedance Circuit Boards; IPC-2221 Generic Standard on Printed Board Design; IPC-2223 Sectional Design Standard for Flexible Printed Boards; IPC-2251 Design Guide for the Packaging of High Speed Electronic Circuit; IPC-7351B Generic Requirements for Surface Mount Design and Land Pattern Standards

6. Teardrop (electronics) - Wikipedia

   en.wikipedia.org/wiki/Teardrop_(electronics)

   For similar reasons, a technique called trace necking reduces (or necks down [7] [8] [9]) the width of a trace that approaches a narrower pad of a surface-mounted device or a through-hole with a diameter that is less than the width of the trace, or when the trace passes through bottlenecks (for example, between the pads of a component).

7. Printed circuit board - Wikipedia

   en.wikipedia.org/wiki/Printed_circuit_board

   Not to be confused with Printed electronics. "PC board" redirects here. For the mainboard of personal computers, see Motherboard. "Panelization" redirects here. For the page layout strategy, see N-up. Printed circuit board of a DVD player Part of a 1984 Sinclair ZX Spectrum computer board, a printed circuit board, showing the conductive traces, the through-hole paths to the other surface, and ...