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澳洲5最准的计划

Our ITAR mil-spec PCBs are manufactured to perform efficiently in harsh environments and are highly reliable.

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Our military grade PCBs are manufactured exclusively to meet the defense and space requirements written on the fabrication drawing. The materials we use fulfill the prescribed specifications, like glass transition temperature, decomposition temperature, dielectric constant, CTE, thermal conductivity, vibration resistance, etc., with acceptable tolerances. We check that the designing is done to handle the maximum load current and to survive in the demanding environment. Based on the type of use, we can suggest different specifications.

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Sierra Circuits is proud to serve those who serve. That’s why every mil-spec PCB we manufacture receives priority scheduling for fast-track production.
Learn more about our experience designing PCBs for the military and aerospace industry.

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Sierra Circuits is very familiar with the space addendum for IPC and can help you analyze your designs to make sure they meet the IPC requirements. All of our customers work with us closely in their early design stage to ensure their design is manufacturable and production ready. Additionally, we provide engineering resources to review and create PCB stack-ups (multiple sub-lams, sequential lamination, and staggered microvias) that will meet the manufacturing specifications for defense and space.

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Sierra Circuits is AS 9100 certified. Our primary focus is delivering the highest quality product in the shortest amount of time. As such, we offer internal quality control systems that guarantee error-free boards. Customers get the complete first article inspection report with cross-section and micro-section coupons.

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We build defense and space PCBs for the following applications:

  • Microwave and signal processing system
  • Ground station equipment
  • Satellite equipment
  • Traffic and collision avoidance systems
  • Full authority digital engine control systems (FADEC)
  • Central air data computers (CADC)
  • Flight instrumentation
  • Power distribution
  • Unmanned vehicles
  • Radar control systems
  • Jamming systems
  • Radio communication systems

澳洲5开奖结果

Sierra Circuits has the following certifications:

  • ITAR
  • AS9100D
  • MIL-PRF-31032
  • MIL-PRF-55110 for GI materials
  • MIL-PRF-55110 for GF materials
  • IPC J-STD-001E Class 3/ES
  • ISO 9001:2015

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Sierra Circuits is ITAR-compliant. ITAR, or International Traffic in Arms Regulations, is a rule set prescribed by the U.S. government. It controls the manufacture, sale, and distribution of defense and military-related articles, services, and technologies as per the U.S. Munitions List (USML) to ensure safety.

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We design, manufacture and assemble IPC class 3 and 6012 ES circuit boards in just 2 days for standard boards. Our PCB experts and engineers are available to guide you through the design and manufacturing process, while delivering all the traceability and tolerance documents you need.

Start building your secure quote now.

澳洲5计划

澳洲52期计划

MIL-PRF-31032 is a document that specifies the design rules for military grade PCBs. Every defense and space PCB should adhere to the norms stated in MIL-PRF-50884, MIL-PRF-31032, and MIL-PRF-55110 standards. This gives us the flexibility to implement the best commercial practices—to the maximum extent possible—while producing products that fulfill military performance needs.

The primary concept is as follows:

  • The PCB manufacturer creates an internal technical quality review system as per the guidelines given in MIL-PRF-31032.
  • A relationship is maintained between the manufacturer and the qualifying activity.
  • We provide engineering support to check if your design is mil-spec compliant.

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The technical quality review team validates the implemented quality plan. Then, the manufacturer demonstrates its capabilities to produce a PCB for defense and space performance requirements.

Note: Make sure that your PCB manufacturer is capable to provide you the very necessary, very stringent documentation such as MIL-PRF-55110, MIL-PRF-31032, and MIL-PRF-50884.

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There are different electrical test requirements as per MIL-PRF-55110 and MIL-PRF-31032 standards.

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  • Continuity should be less than 10 Ω.
  • Isolation should be more than 2 mΩ and can be managed up to more than 10 mΩ for stringent requirements.
  • Voltage should be at least 40 volts unless otherwise specified.

澳洲5三期计划

The following tests should be performed on a monthly basis on thermally stressed cross-section of every panel in X and Y direction.

  • Solderability
  • Ionic contamination
  • Dimensional & hole sizes
  • Plating adhesion test
  • Solder mask adhesion testing
  • Legend adhesion
  • Surface finish thickness – XRF
  • Bow and twist
  • Electrical testing (continuity and isolation)
  • Copper tensile and elongation should be tested monthly

澳洲5在线计划

  • Continuity should be less than 10Ω.
  • Isolation should be more than 10mΩ, including metal core jobs.
  • Voltage should be at least 40 volts unless otherwise specified.

Subject to all group A testing per C=0 sampling plan: The following tests should be performed on a monthly basis on thermally stressed cross-section of every panel in X and Y direction.

  • Solderability
  • Ionic contamination
  • Dimensional & hole sizes
  • Plating adhesion test
  • Solder mask adhesion testing
  • Legend adhesion
  • Surface finish thickness – XRF
  • Bow and twist
  • Electrical testing (continuity and isolation)
  • Copper tensile and elongation

澳洲5现场开奖结果

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Following is the list of documents that we will provide for your mil-spec board:

  • Certificate of conformance
  • IPC J-STD-001E
  • Material specifications
  • Record of calibrated tools used during manufacturing
  • Reflow profile copy (included with first article)
  • AOI report or visual inspection report
  • Photo requirements
  • Flying probe or in-circuit testing report
  • First article inspection report
  • Ionic cleanliness test report

Sierra Circuits delivers high-technology mil-grade PCBs and assemblies on time.
We specialize in DFM analysis that prevent mil-spec issues and offer internal quality review systems that guarantee zero-defect boards. We also provide engineering support to verify if your design is IPC class 3 and 6012 ES or mil-spec compliant.

See our mil-spec capabilities.

Extensive electrical testing
We do not bargain on quality and follow the stringent fabrication criteria that mil-spec boards require – this means constant testing at each step of the manufacturing process, such as cross-section, AOI, BGA X-ray, flying probe, and other electrical tests.

Fab and assembly under one roof
The miscommunications between separate fabrication and assembly shops will cause delays in deliveries and errors in your board. A PCB manufacturer that does not handle assembly won’t run DFA checks to ensure your board can properly be assembled. One single vendor is accountable.

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Let us run DFM/DFA analysis for you and get back to you with a report. You can upload your files securely through our website.

We require the following information in order to give you a quote:

  • Gerber, ODB++ or IPC-2581
  • BOM and assembly drawings
  • Quantity
  • Turn time

See our PCB fab and assembly capabilities.

Advanced PCBsPCBs manufactured and assembled in the United States

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Illustration: DFM and DFA Checks

DFM & DFA Checks on every board

Live engineering support and software accelerated checks on all orders.

Illustration: Extensive Electrical Testing

Extensive Electrical Testing

Cross-section, AOI, BGA X-ray, and flying probe to name a few.

Illustration: Fab and Assembly Under One Roof

Fab + Assembly under one roof

Avoid delays by using a single vendor for fab, assembly, and testing

澳洲5一期计划

Sierra Circuits in-house engineers will…

  • Help you with your stack-up.
  • Route your single-ended and differential pair traces.
  • Place your components, vias, coupling capacitors.
  • Adjust the length matching to achieve propagation delay.
  • Calculate the effective dielectric constant.

Contact a Sierra Circuits Specialist

澳洲5开奖助手

24 hours a day, 7 days a week.

Call us: +1 (800) 763-7503
Email us: through our Customer Care form

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