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3.5 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 month ago by Sergey Zorin

3.4 Alloy-Specific Nuances

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

Every solder alloy possesses a unique thermal and metallurgical signature that dictates its requi...

Updated 1 month ago by Sergey Zorin

3.3 Air vs Nitrogen

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

The atmosphere inside the reflow oven is a direct variable in solder joint formation and reliabil...

Updated 1 month ago by Sergey Zorin

3.2 Profiling Methods

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

Profiling is a distinct step from zone control. While previous chapter addressed the physics of h...

Updated 1 month ago by Sergey Zorin

3.1 Heat Transfer & Zone Control

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

The reflow oven is the final, irreversible step in Surface Mount Technology (SMT), where the mech...

Updated 1 month ago by Sergey Zorin

2.5 First Article & Golden Board

03. Surface Mount Technology Part 2. Pick-and-Place & Conveyors (pro...

The First Article (FA) procedure is the mandatory process gate that confirms a product is ready f...

Updated 1 month ago by Sergey Zorin

2.4 Board Handling & Line Control

03. Surface Mount Technology Part 2. Pick-and-Place & Conveyors (pro...

The flow of panels between SMT stations — handled by conveyors, buffers, and communication links ...

Updated 1 month ago by Sergey Zorin

2.3 Feeders, Splicing & Replenishment

03. Surface Mount Technology Part 2. Pick-and-Place & Conveyors (pro...

Feeder performance is the silent determinant of pick-and-place uptime. Even the fastest machine s...

Updated 1 month ago by Sergey Zorin

2.2 Program Creation & Tuning

03. Surface Mount Technology Part 2. Pick-and-Place & Conveyors (pro...

A pick-and-place machine's performance is governed by the program that drives it. From the moment...

Updated 1 month ago by Sergey Zorin

2.1 Machine Architectures

03. Surface Mount Technology Part 2. Pick-and-Place & Conveyors (pro...

Machine architecture defines the DNA of the Surface Mount Technology (SMT) line, establishing a f...

Updated 1 month ago by Sergey Zorin

3.5 Coating & Potting

04. Through-Hole & Mixed Technology Part 3. Cleaning, Depanelization, Press...

Residues left behind in assembly are often invisible, yet they can dictate whether a circuit surv...

Updated 1 month ago by Sergey Zorin

3.4 Press-Fit Technology

04. Through-Hole & Mixed Technology Part 3. Cleaning, Depanelization, Press...

Press-fit is a mechanical interconnection technology that uses a compliant pin design to create a...

Updated 1 month ago by Sergey Zorin

3.3 Depanelization Choices

04. Through-Hole & Mixed Technology Part 3. Cleaning, Depanelization, Press...

Depanelization is the final mechanical process that separates individual Printed Circuit Boards (...

Updated 1 month ago by Sergey Zorin

3.2 Cleaning Methods & Fixtures

04. Through-Hole & Mixed Technology Part 3. Cleaning, Depanelization, Press...

Residues left behind in assembly are often invisible, yet they can dictate whether a circuit surv...

Updated 1 month ago by Sergey Zorin

3.1 Clean vs No-Clean Decisions

04. Through-Hole & Mixed Technology Part 3. Cleaning, Depanelization, Press...

Residues left behind in assembly are often invisible, yet they can dictate whether a circuit surv...

Updated 1 month ago by Sergey Zorin

2.6 Rework & Repair

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

Rework and repair are invasive procedures that carry a high risk of Collateral Damage (CD) to the...

Updated 1 month ago by Sergey Zorin

2.5 Data Logging & Repair Tickets (THT/Mixed)

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

The manual and mixed-technology assembly process — especially THT insertion, wave soldering, and ...

Updated 1 month ago by Sergey Zorin

2.4 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 month ago by Sergey Zorin

2.3 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 month ago by Sergey Zorin

2.2 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 month ago by Sergey Zorin