Technical Library: universal and instruments and controller (Page 1 of 7)

Inkjet-Printed and Paper-Based Electrochemical Sensors

Technical Library | 2018-07-03 12:27:02.0

It is becoming increasingly more important to provide a low-cost point-of-care diagnostic device with the ability to detect and monitor various biological and chemical compounds. Traditional laboratories can be time-consuming and very costly. Through the combination of well-established materials and fabrication methods, it is possible to produce devices that meet the needs of many patients, healthcare and medical professionals, and environmental specialists. Existing research has demonstrated that inkjet-printed and paper-based electrochemical sensors are suitable for this application due to advantages provided by the carefully selected materials and fabrication method. Inkjet printing provides a low cost fabrication method with incredible control over the material deposition process, while paper-based substrates enable pump-free microfluidic devices due to their natural wicking ability. Furthermore, electrochemical sensing is incredibly selective and provides accurate and repeatable quantitative results without expensive measurement equipment. By merging each of these favorable techniques and materials and continuing to innovate, the production of low-cost point-of-care sensors is certainly within reach

Louisiana State University

Programmable Logic Controller vs Programmable Automation Controller

Technical Library | 2013-04-03 22:41:18.0

PLC vs PAC Difference & PAC Automation Controller Defined: This PLC vs PAC Difference article defines the PAC automation controller in relationship to the PLC. A PLC vs PAC comparison. Even more importantly, this article explains in great detail the need to differentiate when it comes to requesting and delivering PAC and/or PLC training.

Business Industrial Network

Lead-free and Tin-lead Assembly and Reliability of Fine-pitch Wafer-Level CSPs

Technical Library | 2007-05-31 19:05:55.0

This paper discusses solder paste printing and flux dipping assembly processes for 0.4 and 0.5mm pitch lead-free WLCSPs and the corresponding assembly results and thermal cyclic reliability obtained. Variables evaluated include reflow ambient, paste type, and stencil design. Reliability is also compared to results for the same components assembled under identical conditions using SnPb solder.

Universal Instruments Corporation

Electroformed vs. Laser-cut: A Stencil Performance Study

Technical Library | 2013-01-11 16:51:33.0

There have been claims in the industry that laser-cut electroformed nickel foil blanks provide stencil print performance comparable to electroformed stencils. A study was established to measure the quantitative differences in performance between the two during an independent lab study.

Photo Stencil LLC

Solar Panel Design Decision and General Information Sheet

Technical Library | 2014-04-10 18:04:04.0

This paper is meant to be a guide and a reference to new and old members alike who wish to know about, understand, and improve on the decisions made and processes implemented to build the current solar panels. The following paragraphs in the introduction will lay out background information on solar panels and cube satellites. This entire document was written with the idea that the reader will be able to follow the decisions made to construct the solar panels and then with this knowledge find areas of the project for improvement.

iSAT Group

Microspring Characterization and Flip-Chip Assembly Reliability

Technical Library | 2014-05-29 13:48:14.0

Electronics packaging based on stress-engineered spring interconnects has the potential to enable integrated IC testing, fine pitch, and compliance not readily available with other technologies. We describe new spring contacts which simultaneously achieve low resistance ( 30 μm) in dense 2-D arrays (180 ~ 180-µm pitch). Mechanical characterization shows that individual springs operate at approximately 150-µN force. Electrical measurements and simulations imply that the interface contact resistance contribution to a single contact resistance is This paper suggests that integrated testing and packaging can be performed with the springs, enabling new capabilities for markets such as multichip modules.

Institute of Electrical and Electronics Engineers (IEEE)

Intel StrataFlash™ Memory Development and Implementation

Technical Library | 1999-05-07 10:13:38.0

This paper will review the device physics governing the operation of the industry standard ETOX™ flash memory cell and show how it is ideally suited for multiple bit per cell storage, through its storage of electrons on an electrically isolated floating gate and through its direct access to the memory cell.

Intel Corporation

Facility Fluids Metrics and Test Methods

Technical Library | 1999-08-05 10:52:56.0

This technology transfer was prepared by the Research Triangle Institute (RTI) as part of SEMATECH's Facility Fluids Project (S100). It is a compilation of information on existing facility fluids metric and test methods. Information on standard methods was gathered from SEMATECH and SEMI. Other information was obtained from a literature search of journals and conference proceedings. The published information primarily is concerned with the test equipment used and what levels of detection and purity were found. Many of the articles discussed the use of new equipment, either commercial or experimental. Extensive annotated bibliographies are append to the report.

SEMATECH

Manufacturing Operations System Design and Analysis

Technical Library | 1999-05-06 14:48:20.0

This paper describes manufacturing operations design and analysis at Intel. The complexities and forces of both the market and the manufacturing process combine to make the development of improved semiconductor fabrication manufacturing strategies (like lot dispatching, micro and macro scheduling policies, labor utilization, layout, etc.) particularly important...

Intel Corporation

Screen-Printing Fabrication and Characterization of Stretchable Electronics

Technical Library | 2017-03-09 17:37:05.0

This article focuses on the fabrication and characterization of stretchable interconnects for wearable electronics applications. Interconnects were screen-printed with a stretchable silver-polymer composite ink on 50-μm thick thermoplastic polyurethane. The initial sheet resistances of the manufactured interconnects were an average of 36.2 mΩ/◽, and half the manufactured samples withstood single strains of up to 74%. The strain proportionality of resistance is discussed, and a regression model is introduced. Cycling strain increased resistance. However, the resistances here were almost fully reversible, and this recovery was time-dependent. Normalized resistances to 10%, 15%, and 20% cyclic strains stabilized at 1.3, 1.4, and 1.7. We also tested the validity of our model for radio-frequency applications through characterization of a stretchable radio-frequency identification tag.

Tampere University of Technology

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