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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 provide comprehensive solutions for PCBA strain measurement. Our tools are designed to help manufacturers identify and mitigate mechanical stresses that can lead to component failure, ensuring the longevity and performance of electronic devices.

PCBA Strain Measurement Background

During various stages of manufacturing, such as Surface Mount Technology (SMT) assembly, panel cutting, and manual operations, PCBAs are subjected to mechanical stresses. These stresses, if not properly managed, can result in common failure modes like cracked solder balls, circuit damage, and substrate cracks. Such failures not only incur material costs but also impact research and development, production timelines, and collaborative investigations. Our strain measurement solutions are crucial in detecting these issues early, preventing costly repercussions down the line.

Industry Standards and Guidelines

Our strain gage testing solutions are aligned with industry standards set by global leaders like Intel, IBM, HP, and Apple. The IPC/JEDEC-9704A guideline, established in 2005 and revised in 2012, serves as a benchmark for printed circuit assembly strain testing. This guideline provides systematic steps to identify defective assembly processes and ensure that mechanical stresses are effectively monitored and controlled during manufacturing.

Measurement Purpose and Importance

The primary purpose of strain gage testing is to safeguard solder joints, which are particularly sensitive to mechanical strain. As the industry shifts towards lead-free PCB laminate materials and higher interconnect densities, the risk of damage from warpage increases. Strain measurement is essential in detecting incomplete cracking that might not be immediately apparent through functional tests. By implementing our solutions, manufacturers can significantly reduce the incidence of defective products reaching end customers, thereby enhancing product reliability and customer satisfaction.

Cost-Effectiveness of Early Detection

Addressing potential issues during the design phase of PCBA can be remarkably cost-effective, with a potential resolution costing as little as one dollar. However, if these issues are only identified during manufacturing or production, the costs can escalate to ten or even a hundred dollars. This underscores the importance of early detection and intervention, making PCBA strain measurement an indispensable part of the manufacturing process.

Triaxial Strain Gauge TSK-1D-120-3A-11L1M2S Alternatives to Kyowa Sensors

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Specifications

Device Funtion: Strain Gauge
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
Gauge Type: Triaxial
Impedance: 120 Ohm
Grid Length: 1.1 x 1.0 mm
Base Size: 2.5 x 2.7 mm
Insulated Wire: 50 cm
Extension Wire: 90 cm

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

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Features

  • Comprehensive PCBA Strain Measurement Solution: Our product offers a complete solution for measuring strain on printed circuit board assemblies (PCBA), ensuring reliability and performance.
  • Industry-Standard Compliance: Adheres to IPC/JEDEC-9704A guidelines, the industry benchmark for PCBA strain gage testing, ensuring your processes meet global standards.
  • Wide Application Range: Suitable for various stages of PCBA processing, including SMT assembly, panel cutting, manual operations, rework, repair processes, connector installation, and PCB testing.
  • Prevention of Common Failures: Helps identify and prevent common mechanical stress-induced failures such as cracked solder balls, circuit damage, warped pads, and substrate cracks.
  • Cost-Effective Problem Solving: Early detection of strain issues can save significant costs, following the 1-10-100 rule: $1 during design, $10 during manufacturing, and $100 during production.
  • Enhanced Product Reliability: By monitoring and controlling mechanical stresses, manufacturers can reduce defective products, ensuring higher reliability for end customers.
  • Adaptation to Modern Materials: Addresses challenges posed by lead-free PCB laminate materials and increased interconnect density, which can lead to warpage and damage.
  • Proactive Quality Assurance: Provides systematic steps for performing PCBA strain testing, helping identify defective assembly and test processes before they impact product quality.

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
  • Printed Circuit Assembly Strain Gage Test Guideline
    • 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 due to PCB stress warpage deformation.
    • With lead-free new PCB laminate materials and increased interconnect density, damage from warpage has increased.
    • Incomplete cracking may not cause immediate PCBA failure and cannot always be detected by functional tests.
    • Clients can reduce defective products by effectively monitoring and controlling mechanical stresses during testing and assembly.

Frequently Asked Questions

What is the purpose of PCBA strain measurement?
The purpose of PCBA strain measurement is to monitor and control mechanical stresses to prevent failures such as cracked solder balls, circuit damage, and warped pads, thereby reducing defective products and associated costs.
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 during the design phase of PCBA?
Strain gage testing is important during the design phase because it can solve potential problems at a lower cost, preventing expensive issues during manufacturing and production.
What industries promote the use of PCBA strain measurement standards?
Global manufacturers such as Intel, IBM, HP, and Apple promote the use of PCBA strain measurement standards, which have become official standards of IPC and JEDEC.
How does strain affect solder joints in PCBAs?
Solder joints are sensitive to strain, which can cause PCB stress warpage deformation, leading to fracture mechanisms and potential failures.
What is the cost impact of discovering PCBA problems at different stages?
Discovering PCBA problems during the design phase costs about 1 dollar, during manufacturing at least 10 dollars, and during production 100 dollars or more, illustrating the importance of early detection.

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

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