SBU

The fabrication of a multilayer PCB requires several lamination sequences. Especially multiple buried vias in high density interconnect (HDI) boards require the Sequential Build Up (SBU) technology. When making a PCB with buried vias, firstly we need to prepare the …
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Schematic

A diagram which shows, by means of graphic symbols, the electrical connections and functions of a specific circuit arrangement. It often refers to electronic circuits on a printed circuit board or in an integrated circuit (chip). See logic gate and …
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Schematic Capture

The schematic is the basis of PCB design. Schematic Capture or Schematic Entry is the process of creating an electronic diagram or an electronic schematic of the designed electronic printed circuit board (PCB). Therefore, it is said to be a …
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Schematic Diagram

What Is a Schematic Diagram in PCB?   A Schematic Diagram is defined as a simple two-dimensional circuit design showing the functionality and connectivity between different components. Sometimes, we call it simply as Schematic, or PCB Schematic. On the other …
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Schmitt Trigger

What Is a Schmitt Trigger?   In electronics, a Schmitt Trigger is a comparator circuit with hysteresis implemented by applying positive feedback to the noninverting input of a comparator or differential amplifier. It is an active circuit which converts an …
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Schottky Diode

What Is a Schottky Diode?   A Schottky Diode, also called as Hot-Carrier Diode, is a semiconductor diode formed by the junction of a semiconductor with a metal. It has a low forward voltage drop and a very fast switching …
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SCR

What Is A Silicon Controlled Rectifier?   A Silicon Controlled Rectifier (SCR) is a four-layer solid-state current-controlling silicon device. The principle of four-layer P-N-P-N switching was developed in 1956. The practical demonstration of SCR and detailed theoretical behavior of a …
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Screen Printing

Screen Printing is a printing technique where tool, like a mesh or a stencil, is used to transfer ink and solder paste onto a PCB surface or into PCB vias and microvias. A blade or squeeze is moved across the …
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SCS

What Is A Silicon Controlled Switch?   A Silicon Controlled Switch (SCS) is a unilateral, four-layer three junction P-N-P-N silicon device with four electrodes namely cathode C, cathode gate GX, anode gate G2, and the anode A. The SCS is …
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SDIP

Shrink DIP, non-standard DIP with smaller 0.07 in (1.78 mm) pin spacing.
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