Electronics & Computers

Electron Beam Writer Enables Microfabrication

Integrated electronics could activate prosthetics. The new electron beam writer housed in the cleanroom facility at the Qualcomm Institute, previously the UCSD division of the California Institute of Telecommunications and Information Technology, is important for two major areas of research by Shadi Dayeh, PhD, an electrical and computer engineering professor. He is developing next-generation, nanoscale transistors for integrated electronics. At the same time, he is working to develop neural probes that can extract electrical signals from brain cells and transmit the information to a prosthetic device or computer. To achieve this level of signal extraction or manipulation requires tiny sensors spaced very closely together for the highest resolution and signal acquisition. Enter the new electron beam writer. (See Figure 1)

Posted in: Bio-Medical, Electronics, Implants & Prosthetics, Biosensors, Optics/Photonics, Electronics & Computers, Medical, Patient Monitoring, Semiconductors & ICs, Briefs, MDB

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Heart Pump with Behind-the-Ear Power Connector

One-third of patients with heart pumps develop infection at abdominal connection. Cardiac surgeons and cardiologists at the University of Maryland Heart Center are part of a multi-center clinical trial evaluating the efficacy of powering heart pumps through a skull-based connector behind the ear. The pumps, called left ventricular assist devices (LVADs), support the heart’s main pumping chamber, the left ventricle. LVADs are implanted in the chest and powered with external batteries. Typically, these devices, which are used for patients with severe heart failure, are powered through an electrical cord connected at the abdomen, where potentially deadly infections can develop.

Posted in: Bio-Medical, Drug Delivery & Dispensing, Electronics, Implants & Prosthetics, Electronic Components, Power Supplies, Power Management, Power Transmission, Fluid Handling, Medical, Patient Monitoring, Briefs, MDB

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Robotic Exoskeleton Vastly Improves Quality of Life

Worldwide an estimated 185 million people use a wheelchair daily. A company based in Auckland, New Zealand, has developed an innovative robotic technology that helps people with mobility impairment get back on their feet— the Rex Bionics robotic exoskeleton. Its integrated maxon motors help to ensure smooth limb movement.

Posted in: Rehabilitation & Physical Therapy, Implants & Prosthetics, Biosensors, Mechanical Components, Power Supplies, Electronics, Power Management, Manufacturing & Prototyping, Motion Control, Motors & Drives, Power Transmission, Positioning Equipment, Medical, Orthopedics, Articles, Features, MDB

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Reliability Testing of GORE® Protective Vents in LED Luminaires

Outdoor lighting systems are designed with sealed housings to protect against environmental contaminants. Atmospheric conditions such as temperature shifts and relative humidity present challenges to the reliability of outdoor luminaires. Changes in ambient temperatures can lead to significant pressure differentials. Over time, pressure on the enclosure seals can cause them to fail and allow contamination and/or water to breach the enclosure. This shortens the life of the luminaire by damaging the wiring, leads and other electronics of the power supply driver and the LEDs. The moisture also reduces light efficiency and can cause condensation to form on the lenses and reflectors.

Posted in: Electronics & Computers, White Papers

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Domestic Versus Offshore PCB Manufacturing

If you are sending your PCB manufacturing off shore, what factors weighed heaviest in your decision making? How do you know if offshore manufacturing still makes sense for you? This article considers both simple and complex ideas for cost-benefit analysis to help guide your decision process.

Posted in: Electronics & Computers, White Papers

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Electrical and Mechanical Integration in Aerospace Design

This paper addresses the issue of increasing complexity of today's aerospace electrical systems. Manufacturers now seek a high degree of integration between their business and design tools. MCAD, ECAD, PLM, PDM, Workflow and ERP systems are no longer selected purely through their individual functionalities, they must also integrate - and the integration must include all data in the process.

Posted in: Electronics & Computers, White Papers

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Improving Cable Performance in Harsh Environments

Cables are often the last component considered during system designs. In many situations, cables are really the system’s lifeline — if a cable goes down, the entire system can stop. For example, if the cable system used for data transmission in a spacecraft fails, the communication between the craft and mission control could be lost. Cable reliability is based on both durability and signal integrity, and the ideal cable system should be engineered to last the life of the product in any environment.

Posted in: Electronics & Computers, White Papers

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