Manufacturing Quality Control

Manufacturing Quality ControlAIS has been committed to quality since its founding and has renewed that commitment through the use of Total Quality Management (TQM). This concept of performing operations to deliver and correct defect-free products the first time is reflected in each employee’s work and attitude and in all of our operating principles.



Supplier Corrective Action Request (SCAR)

Streamlined SCAR

  • AIS utilizes SCARs/CAPAs reports in addition to performing root cause analysis, following assigned follow up actions while effectively tracking and routing cases from initiation to closure
  • Supplier scorecards: AIS scorecards measure key performance indicators (KPI) and track improvements over time, supporting sound decision-making based on data
  • Supplier audits: AIS provides capabilities to plan, schedule and conduct audits, allowing audit results to be analyzed and enable initiation of follow-up activities such as corrective action requests and re-audits

Corrective Action

Review non-conformance and customer complaints

  • Non-conformance procedure
  • Actions to stop the use of reject or suspect items
  • Actions to correct the problem
  • Checked following rework
  • Do a product recall or retro-fit
  • Decide the cause of the problem
  • Decide an appropriate course of action to stop the problem from re-occurring
  • Put the plan into action
  • Ensure that the action has solved the problem

Preventive Action

  • Review potential problems
  • Decide the potential cause of the problem
  • Decide an appropriate course of action to stop the problem occurring
  • Ensure that the preventive action has solved the potential problem
  • Preventive action procedure
    • Analyzing data and setting objectives
    • Clarifying customer requirements 
    • Applying a proven corrective action
    • Being aware of changes

Industrial SBC SMT

  • Raw Material Inspection
  • Material Baking
  • Solder Paste Printing
  • AOI Solder Paste
  • Chip Mounting
  • Visual Inspection
  • Reflow Soldering
  • AOI Mounting
  • Visual Inspection
  • In-Circuit Testing
  • IPQC

Industrial SBC DIP

  • Parts Inspection
  • Visual Inspection
  • Wave Soldering
  • Visual Inspection & Repair
  • AOI PCBA
  • ICQC
  • F/T1
  • Burn-In
  • F/T2
  • FQC

Industrial System

  • Raw Material Inspection
  • Assembly
  • Visual Inspection
  • IPQC
  • Basic Function Test
  • Dynamic Burn In
  • Advanced Function Test
  • FQC
  • OQC

Cleanroom Overview

  • 5,000 sq. feet
  • 3 assembly lines
  • 8,000/month touchscreen system production capacity
  • Class 10,000: ISO 14644-1 cleanroom standards
  • Maximum particles/m³
  • ≥0.5 µm: 352,000
  • ≥1 µm: 83,200
  • ≥5 µm: 2,930

Cleanroom Performance

  • Airflow verification
  • Filter integrity (Leak Scan)- to ensure that the air supplied to the cleanroom is as particle free
  • Room differential pressure - to ensure that designed contamination control
  • Non-viable airborne particle concentration
  • Temp & RH- to ensure that the cleanroom air-conditioning is functioning properly

Cleanroom Operations

  • Worker and operator training - to ensure that all personnel entering the clean space understand how and why to follow a given level of cleanliness
  • Training records management
  • Clean space auditing - to ensure personnel and materials within the clean space
  • Housekeeping - to ensure that regular cleaning maintenance
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