In this paper, we consider a repetitive routing problem which we find on a printed circuit board assembly line. There are m different printed circuit boards to be processed. As an automated manipulator embeds electronic parts in a printed circuit board from above, n identical pins from underneath protect it against overbending. A dedicated pin configuration is designed for each printed circuit ...

IEEE P1581 proposes a standard means of including test features in a memory device, which can collaborate with other 1149.1 Boundary-Scan devices, without requiring boundary scan circuitry, complex controllers or dedicated test pins. The result is a memory device design suitable for printed circuit board (PCB) applications, including those where design for test overhead is often deemed economic...

As the electronics industry moves toward smaller form and fit factors, advanced packaging technologies are needed to achieve these challenging design requirements. Current design problems are not driven by circuit design capabilities but by an inability to reliably package these circuits within the space constraints. Innovative packaging techniques are required in order to meet the increasing s...

---This paper reviews various methods of printed circuit board (PCB) defect detection and classification system using image processing. PCB are by far the most common method of assembling modern electronic circuits. During the manufacturing of PCB many defects are introduced which are harmful to precise circuit performance. A variety of ways has been established to detect the defects found on P...

This paper describes an innovative design of a wireless, passive LC sensor and its application for monitoring of water content in building materials. The sensor was embedded in test material samples so that the internal water content of the samples could be measured with an antenna by tracking the changes in the sensor's resonant frequency. Since the dielectric constant of water was much higher...

Coplanar wave guide (CPW) inter digital capacitor (IDC) configurations on printed circuit board (PCB) and parametric variations over frequency are studied by simulation using ADS Momentum. The structures are fabricated in printed circuit board using PCB fabrication techniques. The scattering parameters of the structure are measured using vector network analyzer (VNA). The capacitance is estimat...

System design complexity is growing rapidly. As a result, current development costs can be staggering and are constantly increasing. As designers produce ever larger and more complex systems, it is becoming increasingly difficult to estimate how much time it will take to design and verify these designs. To compound this problem, system design cost estimation still does not have a quantitative a...

This paper describes an image processing system that detects integrated circuits (ICs) in an image of a printed circuit board (PCB) and attempts to read the part label and identify the chip using optical character recognition (OCR). A prototype of the system was built using an Apple iPhone to acquire the images and display the results while a remote server running MATLAB performed the processing.

In the field of electromagnetic wave engineering, the recent interest is on metamaterial technology, and application of EBG (Electromagnetic Band Gap) structure utilizing this technology to noise suppression and interference control is under consideration. The point to be noted here is that EBG structure can be fabricated using conventional printed circuit board (PCB) materials and manufacturin...

An efficient hybrid method is developed for calculating the coupling to a device on a printed circuit board inside a cavity. The printed circuit board is connected to a wire or cable that penetrates through an aperture in the cavity enclosure. The method uses a combination of transmission-line analysis and a full-wave solver together with a decomposition of the problem into interior and exterio...