Table of Contents

1- INTRO to SMT

• Advantages


• Disadvantages

2- SMT PACKAGES

• Package Types


• Lead Types

3- DESIGN CONSIDERATIONS for ASSEMBLY & TEST

• Types of Assembly Lines


• SMT Assembly Equipment.


• Rework


• Test


• Design Requirements

4- TYPES of SMT DESIGNS

• Classifications


• Sequences of Assembly

5- RULES FOR GENERATING SMT COMPONENT LAND PATTERNS

• Introduction


• Lead Styles


• Objectives of Land Patterns


• Pattern to Component Basic Guidelines


• Land Patterns for Chip Components


• Land Patterns for Gull-Wing Leads


• Land Patterns for J-Leads


• Land Patterns for MELFs


• Land Patterns for SOTs


• LCC Land Patterns


• Land Patterns for Butt Mounting


• Land Patterns for Power Transistors


• Land Patterns for Tantalums


• Universal Land Patterns

6- SMT DESIGN RULES

• Placement


• Planes


• Routing


• Silkscreen

7- PCB FABRICATION

• Substrates


• Solder masks


• Tooling Holes

8- CAD & MANUAL DESIGN

• Setup


• CAD Selection


• Grids


• Routing


• Changes


• Drawings

9- GETTING STARTED into SMT

• Up Front Decisions


• Steps to Implement SMT


• Component Layout


• Area Analysis