Embedded passive test programs: ECIT active with OEMs on embedded passive testing.
THERE ARE CURRENTLY a number of active consortiums dealing with electronics topics in North America North America, third largest continent (1990 est. pop. 365,000,000), c.9,400,000 sq mi (24,346,000 sq km), the northern of the two continents of the Western Hemisphere. . The Emerging Critical Interconnect Technology (ECIT ECIT Enhanced Combat Information Terminal
ECIT Essential Care in Theater
ECIT Enhanced Communication Interface Terminal ) is just one of the groups that is sup ported by the IPC (1) (InterProcess Communication) The exchange of data between one program and another either within the same computer or over a network. It implies a protocol that guarantees a response to a request. . Its goal is to aid North American North American
named after North America.
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see North American blastomycosis.
North American cattle tick
see boophilusannulatus. PCB PCB: see polychlorinated biphenyl.
in full polychlorinated biphenyl
Any of a class of highly stable organic compounds prepared by the reaction of chlorine with biphenyl, a two-ring compound. manufacturing by providing a site to conduct state-of-the-art research to advance PCB design and manufacturing processes.
The ECIT's facility at the Navel Surface Warfare That portion of maritime warfare in which operations are conducted to destroy or neutralize enemy naval surface forces and merchant vessels. Also called SUW. Center in Crane, IN was established in 1941 as a weapons depot. It has evolved into a highly specialized facility dedicated to the development of high tech electronics, ordinance and other warfare support, with 57% of its 3,400 employees being scientists, engineers and technicians. The facility has a complete and up-to-date PCB manufacturing facility, a comprehensive failure analysis laboratory, an environmental test and evaluation laboratory, and extensive computer modeling capabilities to support this goal.
One of the first industry projects to be undertaken at ECIT is the Embedded Inserted into. See embedded system. Passives Test Program. This project was designed to provide a structure where industry and military could work together to adopt the embedded passives technology into real world products for both commercial and military applications.
The ECIT Embedded Passives Test Bed
The first meeting of this project in July of 2004 was attended by a diverse group of participants, including PCB fabricators, OEMs, material suppliers, equipment suppliers, software tool providers and academia. The ECIT team is currently comprised of over 30 member organizations. Since that first meeting, the ECIT project team has made significant strides forward to meeting the outlined project goals:
* Maintain an awareness of emerging embedded passive component activity.
* Provide facilities for R&D and small-scale manufacturing.
* Demonstrate embedded passive component manufacturing processes.
* Facilitate full supply chain participation.
* Distribute embedded passive component expertise to the North American fabrication fabrication (fab´rikā´shn),
n the construction or making of a restoration. base.
Standards development. ECIT has contributed leadership in the standards development process by providing the chairs for the D-51 sub-committee activities including the Embedded Passive Device Design Guide, IPC-2316 and Standard for Determining Current Carrying Capacity carrying capacity
the number of animal units that a farm or area will carry on a year round basis, including that needed for conservation of winter feed. Usually stated as dry cows or dry sheep equivalents per hectare. , IPC-2152. Since IPC Works 2006, the IPC-2316 "Design Guide for Embedded Passive Device Printed Boards" draft has completed its industry review and is being prepared for the balloting process. In addition to chair activities, ECIT staff has actively participated in the Materials, Performance and Test Methods sub-committees of D-50.
Conferences and workshops. Staff assistance was given to the IPC for the development, organization and chairing of the 3rd International Conference on Embedded Components, a conference held in May 2006 in Chelmsford, MA. During that conference, ECIT staff conducted a workshop on the "Design and Manufacture of Formed Embedded Passive Components." In October of 2006, ECIT hosted a two-day intensive interactive workshop on "Designing and Building a Board with Embedded Passive Components."
High frequency test vehicles. From the outset, members of ECIT proposed the development of standard test vehicles, especially at frequencies up to 12GHz, to be a number one priority project. Meetings were held at Crane during IPC semi-annual events and followed up with conference calls. All disciplines of the ECIT team participated in this development. Test vehicles were designed to characterize commercial capacitor and resistor resistor, two-terminal electric circuit component that offers opposition to an electric current. Resistors are normally designed and operated so that, with varying levels of current, variations of their resistance values are negligible (see resistance). materials performance up to 12GHz. Suppliers have contributed capacitor and resistor materials, and ECIT has fabricated fab·ri·cate
tr.v. fab·ri·cat·ed, fab·ri·cat·ing, fab·ri·cates
1. To make; create.
2. To construct by combining or assembling diverse, typically standardized parts: the test vehicles. Testing has started this month and includes ESD (1) (Electronic Software Distribution) Distributing new software and upgrades via the network rather than individual installations on each machine. See ESL. , temperature cycling, humidity and convection reflow (1) The process of heating and melting the solder that has been screen printed onto a printed circuit board in order to bond chips and other components to the board. Surface mount chips (SMT) use the reflow method. Contrast with wave soldering. See also reflowable text. simulating PCA (tool, programming) PCA - A dynamic analyser from DEC giving information on run-time performance and code use. manufacturing assembly processes. It will be completed by February 2007.
Resistor learning test vehicle.
This test vehicle was designed to assist PCB fabricators with characterizing their resistor manufacturing process. TVs have been designed for both metal thin-film and polymer thick-film materials. Most of the proof of concept TV fabrication at Crane is complete, and data is being reduced and analyzed. In addition to registration, characterization initial and post process resistance vs. land pad design, feature sizes, orientation and location on the manufacturing panel have been determined. This test vehicle is available to the industry.
Manufacturing process demonstration. All demonstration fabrication has been completed. ECIT member material suppliers have contributed samples of their resistor and capacitor materials for the fabrication of test vehicles at the ECIT facilities to demonstrate that these materials are manufacturable in most PCB fabrication shops. The test vehicles used for this demonstration were borrowed from the recent Advanced Embedded Passive Technology (AEPT) project and are known as TV2-R and TV2-C for resistors and capacitors, respectively. The AEPT has developed data for these TVs, making them attractive and practical to use for the ECIT project. In addition to the process demonstration, some of the TVs have been put through environmental tests Environmental tests are used to verify a piece of equipment can withstand the rigors of harsh environments, for example:
Product emulators. At IPC Works in late 2005, the ECIT team offered OEMs the opportunity to participate in this project. OEMs with a heritage design that contained characteristics attractive for embedding 1. (mathematics) embedding - One instance of some mathematical object contained with in another instance, e.g. a group which is a subgroup.
2. (theory) embedding - (domain theory) A complete partial order F in [X -> Y] is an embedding if passive components were invited to submit their designs to ECIT as an emulator candidate. If selected, the ECIT staff would work with the OEM on choosing the best components to embed and the best material(s) to use. ECIT would redesign the board(s) within the constraints established by the OEM, manufacture the bare board(s), perform reliability studies on the embedded components and deliver bare board(s) to the OEM. The OEM in turn would assemble and test the board(s) comparing the results to the heritage design.
The cost of the redesign, bare board manufacture and testing is borne by ECIT, while the cost of assembly and test is borne by the OEM. Mentor Graphics Mentor Graphics, Inc (NASDAQ: MENT) is a US-based multinational corporation dealing in electronic design automation (EDA) for electrical engineering and electronics, as of 2004, ranked third in the EDA industry it helped create. Expedition will be used with its integrated parametric embedded passives module, and modeling and analysis tools will be used to evaluate the resulting design. OEM participation requires the companies' willingness to share the performance results with industry.
Several candidate designs have been submitted by OEMs and the ECIT is in the selection process. The design effort is expected to begin in early December 2006.
Formed embedded passive component guidelines. All of the lessons learned during the demonstration process, fabrication and testing of the test vehicles, and fabrication of emulator boards as well as material and process selection guidelines, are well documented and are being compiled into a single text to be made available to the industry in 2007.
The mission of the ECIT Program is to assist North American Industry implement embedded passive component technology. Considerable information and assistance is available to PCB manufacturers and OEMs wishing to implement embedded passives, much of which is funded by the ECIT. For further information on participation contact the IPC (www.ipc.org).
RICHARD SNOGREN is a member of the technical staff at Coretec Inc. He can be reached at email@example.com.