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Introduction to Surface Mount Technology Process Quality
Published 9/2026
MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz, 2 Ch
Language: English | Duration: 58m | Size: 631.43 MB
Introduction to SMT Process Quality
What you'll learn
Surface Mount Technology Process Quality (SMT QA)
Electronics Manufacturing Process Engineering and Quality Control
SMT Process Defect Analysis
SMT Process Quality inspection and CAPA
Requirements
Basic Understanding of Electronics components and production process
Basic understanding of Electronics product manufacturing
Description This course contains the use of artificial intelligence. AI tools were used to generate voice narration, static visual content (such as diagrams and images), and supporting video clips to enhance the learning experience.
Welcome to the Course!
Introduction to Surface Mount Technology (SMT): Process Quality, Defect Analysis, and CAPA
Surface Mount Technology (SMT) drives modern electronics manufacturing. However, high-speed assembly and miniaturized components leave zero room for process drift. A single unoptimized reflow profile or misaligned stencil print can cascade into costly scrap, rework loops, and field failures.
This course delivers a complete, practical foundation in SMT manufacturing processes, visual and automated inspection standards, defect root-cause analysis, and corrective action implementation. Designed from real-world production engineering practices, it bridges the gap between theoretical electronics design and shop-floor manufacturing excellence.
What You Will Learn
-Core SMT Workflow: Understand the operation and critical parameters of solder paste printing, pick-and-place, reflow soldering, and post-assembly cleaning.
-Process Optimization: Control paste volume, aperture design, squeegee pressure, placement force, and reflow thermal profiling (Ramp-Soak-Spike-Cool).
-Defect Classification & Root-Cause: Identify defects like solder bridging, tombstoning, voiding, head-in-pillow (HiP), de-wetting, and component skew using visual, AOI, and AXI methods.
-Quality Standards: Navigate IPC-A-610 criteria across Class 1, 2, and 3 assemblies to evaluate acceptable, process indicator, and defect conditions.
-Problem-Solving & CAPA: Execute a structured 8D problem-solving cycle, apply 5 Whys and Fishbone (Ishikawa) diagrams, and implement verifiable Corrective and Preventive Actions (CAPA) to permanently eliminate recurring line defects.
Course Curriculum Outline
Section 1: Foundations of SMT Manufacturing
- Overview of Surface Mount Technology vs. Through-Hole Technology (THT)
- Anatomy of an SMT line: Loader, Screen Printer, SPI, PnP, Reflow Oven, AOI, Unloader
- Solder paste fundamentals: Alloy types, flux chemistry (RMA, No-Clean, Water-Soluble), powder sizes, and shelf-life management
Section 2: The SMT Production Process & Critical Parameters
- Stencil printing: Aperture design, area ratio/aspect ratio, stencil cleaning cycles
- Solder Paste Inspection (SPI): Height, volume, area, and offset limits
- Pick-and-Place: Feeder setup, nozzle selection, vision alignment, and placement accuracy
- Reflow Soldering: Thermal profiling techniques, thermocouple attachment, Time Above Liquidus (TAL), peak temperature limits, and conveyor speed control
Section 3: Inspection, Quality Standards, and Defect Recognition
- Optical inspection principles: Manual Visual Inspection, 2D/3D AOI, and X-ray Inspection (AXI) for BGA/QFN packaging
- IPC-A-610 Acceptance Criteria: Solder joint requirements, wetting angles, heel/toe fillets
- Detailed defect breakdown
- Bridging, solder beads, and solder balls
- Tombstoning, component misalignment, and billboarding
- Voids in thermal pads and BGA spheres
- Head-in-Pillow (HiP) and cold solder joints
Section 4: Root-Cause Analysis (RCA) & Troubleshooting
- Man, Machine, Material, Method (4M) assessment on the SMT line
- Isolating printer vs. placement vs. reflow root causes
- Analytical tools: 5 Whys, Ishikawa (Fishbone) Diagrams, and Process Failure Mode and Effects Analysis (PFMEA)
Section 5: Closed-Loop CAPA & Continuous Improvement
- Understanding Corrective Action vs. Preventive Action
- The 8D Problem-Solving Framework applied to electronics manufacturing
- D1-D3: Team formation, problem description, containment actions
- D4: Root-cause verification
- D5-D6: Corrective action selection, validation, and implementation
- D7-D8: Preventive systemic controls and closure
- Documenting Quality Incident Reports (QIR) and updating Standard Operating Procedures (SOPs)
Who this course is for
Beginner in Electronics Engineering
Beginners in Electronics Manufacturing professional
Electronics manufacturing engineer job role
Electronics Quality engineer job role
Electronics manufacturing Process engineer job role
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