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Three types of courses are conducted by PCB; Category A for undergraduate level, Category B for diploma certificate courses of one to three years duration, and Category C for three-month courses. [6] Bangladesh Pharmacy Council grants certificates after completion of various training and education in pharmacy from various educational ...
A PCB milling machine (referred to as a 'PCB Prototyper') operates in a similar way to a plotter, receiving commands from the host software that control the position of the milling head in the x, y, and (if relevant) z axis. Laser resist ablation involves spraying black paint onto copper clad laminate, then placing the board into CNC laser ...
A via (Latin, 'path' or 'way') is an electrical connection between two or more metal layers of a printed circuit boards (PCB) or integrated circuit. Essentially a via is a small drilled hole that goes through two or more adjacent layers; the hole is plated with metal (often copper) that forms an electrical connection through the insulating layers.
A common form of in-circuit testing uses a bed-of-nails tester.This is a fixture that uses an array of spring-loaded pins known as "pogo pins". When a printed circuit board is aligned with and pressed down onto the bed-of-nails tester, the pins make electrical contact with locations on the circuit board, allowing them to be used as test points for in-circuit testing.
Colleges imparting pharmaceutical education (D.Pharm., B.Pharm., M.Pharm. and Pharm D) must be approved by the Pharmacy Council of Bangladesh (PCB) . For a student to be eligible for registration as a pharmacist in Bangladesh, the university from which he/she graduated must be approved by the PCB and have to follow the rules and regulations of ...
The screws, washers, and case may each be made of homogenous materials, but the other components comprise multiple sub-components of many different types of material. For instance, a circuit board is composed of a bare printed circuit board (PCB), integrated circuits (IC), resistors, capacitors, switches, etc.
An Automated Optical Inspection device. Automated optical inspection (AOI) is an automated visual inspection of printed circuit board (PCB) (or LCD, transistor) manufacture where a camera autonomously scans the device under test for both catastrophic failure (e.g. missing component) and quality defects (e.g. fillet size or shape or component skew).
To return a used probe card to a contact resistance that is acceptable, the probe tips must be spotless. Cleaning can be done offline using an NWR style laser to reclaim the tips by selectively removing the contamination. Online cleaning can be used during testing to optimize the testing results within the wafer or within wafer lots.
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