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3.9 Defect Atlas & Acceptance

04. Through-Hole & Mixed Technology Part 2. Manual THT & Rework (tools, tec...

Defect evaluation sits at the intersection of quality, speed, and fairness in electronics manufac...

Updated 1 week ago by Sergey Zorin

3.8 Rework Flow Control

04. Through-Hole & Mixed Technology Part 2. Manual THT & Rework (tools, tec...

Reworking complex surface mount devices (SMD), such as BGAs and QFNs, is one of the most delicate...

Updated 1 week ago by Sergey Zorin

3.7 Fluxes, Alloys and Aids

04. Through-Hole & Mixed Technology Part 2. Manual THT & Rework (tools, tec...

Hand soldering is a controlled process, but its chemical core relies on the quality and purity of...

Updated 1 week ago by Sergey Zorin

3.6 Hand Soldering Foundations

04. Through-Hole & Mixed Technology Part 2. Manual THT & Rework (tools, tec...

Hand soldering remains essential for rework, repair, and specialized low-volume assembly, managin...

Updated 1 week ago by Sergey Zorin

3.5 Common Defects & Corrections

04. Through-Hole & Mixed Technology Part 1. Automated THT: Selective & Wave...

Solder balls, non-fills, and bridging are often not defects of the solder wave itself, but failur...

Updated 1 week ago by Sergey Zorin

3.4 Wave Solder Setup

04. Through-Hole & Mixed Technology Part 1. Automated THT: Selective & Wave...

Wave soldering is the original mass production technique, and its effectiveness is determined by ...

Updated 1 week ago by Sergey Zorin

3.3 Selective Solder Programming

04. Through-Hole & Mixed Technology Part 1. Automated THT: Selective & Wave...

Selective soldering is the high-precision solution for mixed-technology boards, solving the probl...

Updated 1 week ago by Sergey Zorin

3.2 Fluxing & Preheat Control

04. Through-Hole & Mixed Technology Part 1. Automated THT: Selective & Wave...

The perfect solder joint begins with chemistry and heat. Through-hole soldering is a high-risk th...

Updated 1 week ago by Sergey Zorin

3.1 THT-Friendly Design

04. Through-Hole & Mixed Technology Part 1. Automated THT: Selective & Wave...

Through-Hole Technology (THT) remains mandatory for mechanical stability (connectors, relays), hi...

Updated 1 week ago by Sergey Zorin

2.26 Data Logging & Repair Tickets

03. Surface Mount Technology Part 5. Electrical Test (ICT, FCT, boun...

Data logging and the formal Repair Ticket system are the nervous system of modern electronics man...

Updated 1 week ago by Sergey Zorin

2.25 Functional Test Design

03. Surface Mount Technology Part 5. Electrical Test (ICT, FCT, boun...

Functional Test (FCT) is the final stage of the electrical quality strategy, confirming that the ...

Updated 1 week ago by Sergey Zorin

2.24 Boundary Scan Essentials (JTAG)

03. Surface Mount Technology Part 5. Electrical Test (ICT, FCT, boun...

Boundary Scan, formalized as IEEE 1149.1 (JTAG), is a mandatory technology for structural testing...

Updated 1 week ago by Sergey Zorin

2.23 ICT & Fixture Design

03. Surface Mount Technology Part 5. Electrical Test (ICT, FCT, boun...

In-Circuit Test (ICT) is the fastest, most effective way to eliminate 90% of all common structura...

Updated 1 week ago by Sergey Zorin

2.22 Strategy & Coverage

03. Surface Mount Technology Part 5. Electrical Test (ICT, FCT, boun...

Electrical test is not an option; it is a financial and technical firewall. The goal of a well-de...

Updated 1 week ago by Sergey Zorin

2.21 SPC & Dashboards

03. Surface Mount Technology Part 4. In-Line Optical & X-Ray Inspect...

Statistical Process Control (SPC) is the operational discipline that converts raw machine data in...

Updated 1 week ago by Sergey Zorin

2.20 Programming & Tuning

03. Surface Mount Technology Part 4. In-Line Optical & X-Ray Inspect...

Inspection programming translates raw component and solder data into actionable pass/fail judgmen...

Updated 1 week ago by Sergey Zorin

2.19 AXI Techniques

03. Surface Mount Technology Part 4. In-Line Optical & X-Ray Inspect...

Automated X-ray Inspection (AXI) is a critical, non-destructive testing method that uses X-ray te...

Updated 1 week ago by Sergey Zorin

2.18 AOI Fundamentals

03. Surface Mount Technology Part 4. In-Line Optical & X-Ray Inspect...

Automated Optical Inspection (AOI) systems function as the visual quality gate of the SMT line. U...

Updated 1 week ago by Sergey Zorin

2.17 SPI Recap & Cp/Cpk

03. Surface Mount Technology Part 4. In-Line Optical & X-Ray Inspect...

Solder Paste Inspection (SPI) transforms the stencil printing process from a manual art into a pr...

Updated 1 week ago by Sergey Zorin

2.16 Defect Mechanisms & Fixes

03. Surface Mount Technology Part 3. Reflow Soldering (profiles, atm...

Reflow soldering defects are the consequence of failed controls upstream: paste, stencil, placeme...

Updated 1 week ago by Sergey Zorin