Circuit Check, Inc.
For over 40 years Circuit Check has been a leading edge provider of custom engineered test solutions to the electronics industry. Our electronic test company began as a bare board testing service in 1979. As our clients’ needs for test equipment grew more sophisticated, we evolved to meet those requirements with innovative new products and processes.
- 763-694-4100
- info@circuitcheck.com
- 6550 Wedgwood Road
Suite 120
Maple Grove, MN 55311
United States of America
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New Generation Vacuum Box for the 3070 Test Platform
Vortex Series
The Vortex Series is a new generation vacuum box for the 3070 test platform that will easily revolutionize in-circuit test. The simplified and streamlined design allows for maximizing the usable testable board size of the Vortex 100 Performance Grade fixture. The rugged all aluminum design maximizes the opening angle of 85° ideal for Cobot usage, while eliminating the top plate and associated hardware and retaining our classic quick plate guided probe technology.
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Application Specific Solutions
Circuit Check Application Specific Solutions for automotive, military & aerospace, medical, industrial, and computer networking applications.
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Multi-Stage In-Circuit Test Fixtures
Circuit Check’s bi-level and multi-stage fixtures combine multiple test levels in a single fixture using controlled actuation and selected probe travels for powered and unpowered tests.
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Wireless Functional Test Fixtures
Circuit Check’s wireless fixture technologies reduce debug time, simplify ECO’s and reduce maintenance. This allows for the highest test performance, ability to probe denser smaller targets and achieve ultra-high node counts. Higher density more complex circuit boards complicate testing requirements. Smaller more tightly spaced test pads create a wiring challenge for the fixture fabricators, test engineers and maintenance personnel. Wireless fixtures solve the challenges associated with the nest of wires found in long wire fixtures. Wireless fixtures replace the “nest” of wires with copper traces on a multilayered printed circuit board called a Translator Board (T-Board).
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FEA and Strain Gauge Testing
Circuit Check began Strain Gauge Testing in 1999 when BGA/SMT technology started replacing PTH components, reducing strain levels was a reactive post fixture fabrication process. We quickly recognized that the “reactionary” process was neither efficient nor were we capable on knowing the lowest achievable strain levels. Our engineering team came up with visual tools utilized during design to easily identify areas of excessive probe force, though still not enough data was generated to identify the lowest possible strain. Finite Element Analysis software models the PCBA and test fixture and applies the pressures from test probes and board supports and indicates the micro strain level applied to the PCBA. Using the FEA software during our design process allows our engineers to modify fixture designs to attain the lowest possible micro strain before fabrication begins.
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Actuation Methods for In-Circuit Test Fixtures
Commonly referred to as In-Circuit Test (ICT), loaded board test can be defined as the task of measuring values of components that have been installed on a printed circuit board (PCB). A second basic category of loaded board test measures simple open and shorts on the board to verify manufacturability standards. Circuit Check supports all forms of in-circuit test strategies with its Performance Grade and Value Line test fixtures.
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Custom Test Systems
Circuit Check has extensive expertise in the design, development, and deployment of custom test systems. Each of the Circuit Check solutions are formulated with modularity in mind. Our broad-based knowledge of testing principles, automation and wide customer base allow us to deploy solutions for even the most challenging application.
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Through Connector Functional Test Fixtures
Circuit Check is a pioneer in the development and implementation of access mechanisms enabling testing of circuits through on-board connectors.
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Topside Probing In-Circuit Test Fixtures
Circuit Check matches top side test targets to your specification and needs. The Signature Series pneumatic drive fixture is the industry standard for precision, accuracy and repeatability.Today’s fifth generation Pneumatic drive supports as many as 8,000 test probes with centerline spacing to 25mil, and contacting test pads as small as 0.014″.
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Interface Test Adapter
ITA
Circuit Check is focused on the military and aerospace market. Our solutions are delivered according to a rigorous set of test requirements and quality metrics. The Circuit Check staff of engineers follow a defined Project Management process to control the project deliverables,manage the scope, and meet the quality needs for in-field serviceability and test system longevity.
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Flash Programming for Functional Test Systems
Flash programming stations allow you to offload flash programming from functional test systems, increasing test throughput while improving capital utilization. Circuit Check flash programmer fixtures support multiple programmer types and multiple I/O configurations.
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Line Automation Equipment
5000 Series In-line Handler
The Circuit Check 5000 Series In-line Handler is an integrated inline solution that combines automation, fixturing and measurement hardware in addition to other in-line PCBA probe based test stations, while adding a standardized quick change fixture interface. The 5000 series in-line is a unified solution that is software and hardware agnostic, enabling adaptability to a variety of off-the-shelf lower cost ICT, flash and functional test software and hardware.
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In-Line / Board Handler
Circuit Check’s in-line board handler fixturing exceed the high performance requirements associated with high-volume production. Circuit Check supports in-line fixturing for all the leading ICT handlers including Keysight 5i, Teradyne TSh Multi-Site, IPTE and Pematech. Circuit Check is the go-to partner for in-line functional test fixtures to speed production throughput.
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Test Software
With many years of experience solving real world applications, Circuit Check has acquired extensive software expertise. Our attention to code quality and optimization, as well as our internal code review process, ensures our customers receive efficient and readable code.
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Actuation Methods for Functional Test Systems
Functional test typically applies full operational power to a final product or a loaded printed circuit board in order to determine if the Product/ PCB performs functions as designed. This type of test often involves custom built test equipment and custom test fixturing. Circuit Check supports all forms of functional test strategies within its Signature Series functional test fixtures.
