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Description

Supplier of Stress Testing Instruments

In the intricate world of electronics manufacturing, ensuring the reliability and durability of printed circuit board assemblies (PCBAs) is paramount. As a leading supplier of stress testing instruments, we specialize in providing advanced solutions for PCBA strain measurement. Our offerings are designed to help manufacturers identify and mitigate mechanical stresses that can lead to costly failures.

Understanding PCBA Strain Measurement

PCBAs undergo various stages of manufacturing and testing, including Surface Mount Technology (SMT) assembly, panel cutting, and mechanical assembly. During these processes, excessive mechanical stress can result in several failure modes, such as cracked solder balls, circuit damage, and substrate cracks. These failures not only incur material costs but also impact investments in research and development, production, and quality assurance.

Industry Standards and Guidelines

Our strain measurement solutions are aligned with industry standards set by global leaders like Intel, IBM, and Apple. The IPC/JEDEC-9704A guideline, issued in 2005 and revised in 2012, serves as a benchmark for PCBA strain testing. This guideline provides systematic steps to identify defective assemblies and test processes, ensuring that manufacturers can effectively monitor and control mechanical stresses during production.

The Importance of Early Detection

Addressing strain-related issues early in the design phase can significantly reduce costs. According to the 1-10-100 rule, a problem that costs one dollar to fix during design can escalate to ten dollars during manufacturing and one hundred dollars during production. Thus, implementing strain measurement solutions early on is crucial for cost-effective manufacturing.

Purpose of Strain Gage Testing

Strain gage testing is essential for detecting and preventing damage caused by mechanical stress. Solder joints, in particular, are sensitive to strain, which can lead to warpage and fractures. As the use of lead-free PCB laminate materials increases, so does the risk of damage from warpage. By effectively monitoring these stresses, manufacturers can reduce defective products and enhance the reliability of their PCBAs.

Cost Implications of Strain Measurement

A problem solved during the design phase costs 1 dollar. During manufacturing, it costs 10 dollars. During production, it costs 100 dollars or more. Rules that should be known: 1-10-100.

PCBA Strain Measurement Solution for Stress Testing Instruments TSK-32-24C-12

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Specifications

Device Funtion: Data Logger
Measurement Range: -55500 – 55500 uE
Accuracy: -0.3 – 0.3 %
Stability: 6 ppm/degC
Sampling Frequency: 10 KHz (per channel)
Operational Temperature Range: -40 – 70 degC
Impedance: 120 Ohm
Current Channel: 24
Max Channel: 32

Got questions about specs? Use the inquiry form to ask.

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Features

  • Comprehensive PCBA Strain Measurement Solutions: Our instruments provide a complete solution for measuring strain on printed circuit board assemblies (PCBAs), ensuring reliability and performance.
  • Industry Standard Compliance: Adheres to IPC/JEDEC-9704A guidelines, the industry benchmark for printed circuit assembly strain gage testing, ensuring your processes meet global standards.
  • Wide Range of Applications: Suitable for various stages of PCBA processing, including SMT assembly, panel cutting, manual operations, rework and repair processes, connector installation, and PCB testing.
  • Prevent Common Failure Modes: Identifies potential issues such as cracked solder balls, circuit damage, warped pads, and substrate cracks, preventing costly failures and ensuring product integrity.
  • Cost-Effective Problem Solving: Address issues early in the design phase to save costs, following the 1-10-100 rule: $1 during design, $10 during manufacturing, and $100 during production.
  • Enhanced Reliability with Strain Gage Testing: Detects incomplete cracking and potential failures that functional tests might miss, ensuring higher reliability and customer satisfaction.
  • Support from Leading Manufacturers: Endorsed by global leaders like Intel, IBM, HP, and Apple, reinforcing its credibility and effectiveness in the industry.
  • Systematic Testing Procedures: Provides clear, systematic steps for performing PCBA strain testing, helping identify defective assembly and test processes efficiently.

Applications

  • Typical Processing Needs Strain Measurement
    • SMT Assembly
    • Panel Cutting
    • Manual Operation
    • All Rework and Repair Process
    • Connector Installation
    • PCB Testing
    • ICT, FCT, or Equivalent Functional Test
    • Mechanical Assembly:
      • Heat Sink Assembly
      • PCI or Daughterboard Installation
      • DIMM (Dual In-line Memory Module) Installation
  • PCBA Strain Gage Test as an Industry Benchmark
    • Issued by IPC and JEDEC in 2005
    • Revised Version A in 2012
    • Identify Defective Assembly and Test Processing
    • Provide Systematic Steps to Perform PCBA Strain Testing
  • Measurement Standards
    • INTEL for Strain
  • Measurement Purpose
    • Solder joints are sensitive to strain, leading to fracture mechanisms
    • Lead-free PCB laminate materials and increased interconnect density increase warpage damage
    • Incomplete cracking may not cause instant PCBA failure, undetectable by functional tests
    • Monitoring and controlling mechanical stresses can reduce defective products for end customers

Frequently Asked Questions

What is the purpose of PCBA strain measurement?
The purpose of PCBA strain measurement is to monitor and control mechanical stresses during manufacturing and assembly to prevent failures such as cracked solder balls, circuit damage, and warped pads.
What are some common failure modes due to mechanical stress in PCBAs?
Common failure modes due to mechanical stress in PCBAs include cracked solder balls, circuit damage, warped pads, cracked substrates, and capacitor Y-cracks and 45° cracks.
What is the IPC/JEDEC-9704A guideline?
The IPC/JEDEC-9704A guideline is a standard for Printed Circuit Assembly Strain Gage Testing, providing systematic steps to identify defective assembly and test processing.
Why is strain gage testing important for solder joints?
Strain gage testing is important for solder joints because they are sensitive to strain, which can lead to warpage deformation and fracture mechanisms, especially with the use of lead-free PCB laminate materials.
How does the cost of addressing PCBA issues change over time?
Addressing PCBA issues costs significantly more as time progresses: $1 during the design phase, $10 during manufacturing, and $100 or more during production.
What industries or companies promote PCBA strain measurement standards?
Global manufacturers such as Intel, IBM, HP, and Apple promote PCBA strain measurement standards, which have become official standards of IPC and JEDEC.
What are some applications of PCBA strain measurement?
Applications of PCBA strain measurement include SMT assembly, panel cutting, manual operation, rework and repair processes, connector installation, PCB testing, and mechanical assembly such as heat sink and DIMM installation.

Got more questions? Use the inquiry form to ask the supplier directly.

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