Electronic Techniques: Shop Practices and Construction: Villanucci, Robert S.; Artgis, Alexander W.; Megow, William F.: 9780130195661: Book: Technology: eCampus.com

The electronic packaging industry continues to undergo rapid change, and currently there is no end in sight to this progress. The adoption of new device packages for high-density assemblies in conjunction with more functionally-complicated, printed circuit board technologies bring about ever more sophisticated design, construction, and packaging techniques that require today's technician to possess special skills.

The seventh edition of Electronic Techniques: Shop Practices and Construction continues to present a practical and realistic approach for developing the new skills necessary for planning, designing, and constructing state-of-the-art electronic equipment. The new material added to this edition serves to strengthen and update this highly successful text, designed to fulfill the needs of technicians seeking competency in all aspects of electronic design and fabrication techniques. Clear, detailed explanations are combined with a multitude of figures and drawings to provide the most up-to-date coverage anywhere. In addition, the end-of-chapter exercises (short-answer, true/false, matching, multiple choice, and problems) help to reinforce the objectives introduced within the chapter.

Features new to the seventh edition include:

Chapter 1 has been updated and uses a newer version of PSpice^� in explanations, examples, and exercises.
Chapter 27 is entirely new. This innovative addition addresses the valuable topic of electronic devices for student projects.
New appendices complement the new material introduced in chapter 27 and provide a quick reference to manufacturers' and suppliers' websites.

Several new additions (to reflect changes made to the student text) have also been made to the Instructor's Manual (0-13-091363-4) .to accompany this text.

UNIT ONE: Circuit Design and Project Planning

(59)

Designing a 5-Volt Switching-Regulator Power Supply

(21)

Learning Objectives

(1)

Introduction

(1)

Standard Household/Industrial Power

(1)

The Unregulated Power Supply

(3)

Circuit Analysis Using PSpice

(1)

PSpice Simulation of an Unregulated Supply

(1)

Loading PSpice onto the Computer

(1)

Running a Circuit Analysis

(2)

The Need for a Regulator

(1)

Linear and Switching Regulators Compared

(2)

National Semiconductor's Switchers Made Simple Software

(1)

Designing a Switching Regulator for a 5.0-Volt, 1.0-Ampere Operation

(2)

Components for the Buck Converter

(2)

Final Power Supply Circuit Schematic

(4)

Exercises

(2)

Planning and Designing Electronic Equipment

(12)

Learning Objectives

(1)

Introduction

(1)

Space and Weight Requirements

(1)

Component and Hardware Selection

(3)

Chassis Materials and Configurations

(2)

Component and Hardware Placement

(3)

Maintenance

(1)

Human Engineering (Ergonomics)

(3)

Exercises

(2)

Packaging Design

(7)

Learning Objectives

(1)

Introduction

(1)

Block Diagram

(1)

Power Supply Package Design

(4)

Detailed Construction Drawings

(2)

Exercises

(1)

Preparing Detailed Drawings

(17)

Learning Objectives

(1)

Introduction

(1)

Measurements with a Scale

(2)

Measurements with Calipers

(2)

Measurements with a Micrometer

(2)

Engineering Sketches

(1)

Methods of Creating Detailed Working Drawings

(1)

Basic Line Conventions for Drawings

(1)

Dimensioning for Chassis Layouts

(4)

Assembly Drawings

(4)

Exercises

(3)

UNIT TWO: Designing Printed Circuit Boards with CAD Techniques

(94)

Printed Circuit Board Materials

(17)

Learning Objectives

(1)

Introduction

(1)

Classification of Printed Circuit Boards

(4)

Insulating Base Materials for Printed Circuit Boards

(6)

Conducting Foil

(1)

Bonding

(1)

Board Selection

(4)

Exercises

(2)

Single-Sided Printed Circuit Board Design: The Preliminary Sketch

(21)

Learning Objectives

(1)

Introduction

(1)

Materials Required for Developing a Component Layout ``Working Sketch''

(1)

Basic Information for Beginning the Layout Sketch

(1)

Format of the Layout Sketch

(1)

Drawing Component and Device Body Outlines

(7)

Positioning Components on the Layout Sketch

(4)

Layout Considerations for Automatic Assembly

(1)

Conductor Path Routing

(6)

Exercises

(3)

Drawing PCB Artworks with Computer-Aided Drafting Techniques

(26)

Learning Objectives

(1)

Introduction

(1)

Inexpensive CAD Software

(1)

AutoCAD Setup for Printed Circuit Board Designs

(6)

Drawing the Component Border and Corner Brackets

105

(2)

Drawing PCB Components

107

(4)

Saving the Component Layout Drawing

111

(1)

Conductor Pattern Artwork

111

(6)

Printing the Conductor Pattern Artwork

117

(3)

Silk-Screen Solder and Marking Masks

120

(4)

Exercises

122

(2)

Double-Sided Plated-Through-Hole and Multilayer Printed Circuit Artwork and Design Concepts

124

(29)

Learning Objectives

124

(1)

Introduction

124

(1)

Basic Double-Sided Printed Circuit Boards

125

(2)

Double-Sided PC Board Layout

127

(1)

Eagle 2.6 Software for PC Board Layout

128

(5)

Layout Considerations for Plating

133

(1)

Designing a Multilayer Board

134

(1)

Layer-to-Layer Interconnections in an MLB

135

(5)

Layer Representation on the Component Layout Drawing

140

(3)

Clearance with Antipads and Interconnections with Thermal Relief Pads

143

(2)

Setup Considerations for Multilayer Boards

145

(1)

Four-Layer Multilayer Design

146

(7)

Exercises

149

(4)

UNIT THREE: Printed Circuit Board Fabrication and Inspection

153

(152)

PCB Photographic Processes

154

(18)

Learning Objectives

154

(1)

Introduction

154

(1)

Photographic Imaging of the Artwork Masters

155

(6)

Exposing and Processing Photographic Film

161

(4)

Contact Printing

165

(1)

Diazo Phototool for Double-Sided Printed Circuit Boards

166

(6)

Exercises

170

(2)

Single-Sided PCB Processing: Print-and-Etch Technique

172

(21)

Learning Objectives

172

(1)

Introduction

172

(1)

Photosensitizing the Printed Circuit Board

173

(6)

Circuit Board Etching

179

(2)

Printed Circuit Board Drilling and Punching

181

(2)

Conductor Pattern Surface Cleaning

183

(1)

Silk-Screen Printing

183

(10)

Exercises

191

(2)

Double-Sided PCB Processing: Electroless Copper Deposition and Copper Flash Plating

193

(24)

Learning Objectives

193

(1)

Introduction

193

(1)

Electroless Copper Deposition: General Information

194

(2)

Electroless Copper Deposition Line: Mechanical Considerations

196

(2)

Electroless Copper Deposition: Chemical Processes

198

(5)

Electroless Copper Deposition: Process Monitoring and Control

203

(2)

Flash Plating: General Information

205

(1)

Copper Plating Tank and Plating Accessories

206

(5)

Copper Sulfate Plating Solution

211

(2)

Copper Sulfate Flash Plating

213

(4)

Exercises

214

(3)

Double-Sided PCB Processing: Imaging

217

(16)

Learning Objectives

217

(1)

Introduction

217

(1)

Processes Involved in Double-Sided Imaging

218

(1)

Copper Cleaning for Dry-Film Application

219

(2)

Dry-Film Photo Resist

221

(1)

Dry-Film Laminator

221

(2)

Dry-Film Photo Resist Application

223

(2)

Exposure of Dry-Film Photo Resist

225

(3)

Spray Developing

228

(2)

Image Touch-Up

230

(3)

Exercises

231

(2)

Double-Sided PCBs: Final Fabrication Processes

233

(25)

Learning Objectives

233

(1)

Introduction

233

(2)

Determining the Image Area to Be Pattern Plated

235

(3)

Pattern Plating: General Information

238

(1)

Pattern Plating of Copper

239

(3)

Tin---Lead Plating Tank and Accessories

242

(2)

Tin---Lead Plating Solution

244

(2)

Tin---Lead Pattern Plating

246

(1)

Resist Stripping

247

(1)

Etching

247

(2)

Solder Fusion

249

(1)

Mechanical Methods Used to Fabricate Prototype PCBs

250

(2)

Producing Prototype Circuit Boards Using Quick Circuit™

252

(2)

Protoboard RF/Microwave and Multilayer Technology

254

(4)

Exercises

256

(2)

Multilayer PCB Fabrication

258

(20)

Learning Objectives

258

(1)

Introduction

258

(1)

Artwork for Multilayer Boards

259

(2)

Raw Materials Used in Multilayer Board Fabrication

261

(3)

Laminating Fixtures and Pinning

264

(1)

Inner-Layer Fabrication

264

(5)

Multilayer Layup Process

269

(2)

Multilayer Cold Press Cycle

271

(3)

Drilling Multilayer Printed Circuit Boards

274

(1)

Epoxy Smear Removal and Etchback

274

(2)

Final Multilayer Board Processing

276

(2)

Exercises

276

(2)

Quality Assurance Inspection Procedures for PCBs

278

(27)

Learning Objectives

278

(1)

Introduction

278

(1)

Visual Inspection

279

(5)

Mechanical Measurements

284

(2)

Electrical Measurements

286

(6)

Microsectioning

292

(13)

Exercises

302

(3)

UNIT FOUR: Printed Circuit Board Component Assembly and Soldering

305

(84)

PCB Hardware and Component Assembly

306

(19)

Learning Objectives

306

(1)

Introduction

306

(1)

Standard Solder Terminals

307

(2)

Printed Circuit Board Connectors

309

(2)

Component Assembly

311

(4)

Device Assembly

315

(4)

Device Sockets

319

(1)

Device Heat Sinking for Printed Circuit Board Applications

320

(5)

Exercises

323

(2)

PCB Soldering

325

(30)

Learning Objectives

325

(1)

Introduction

325

(1)

Soft Soldering and Its Characteristics

326

(1)

Flux

327

(2)

The Soldering Iron

329

(3)

Thermal Profile of a Soldering Iron

332

(8)

Hand Soldering Printed Circuit Boards

340

(2)

Soldering to DOD-STD-2000-3 Standards

342

(4)

De-Soldering Printed Circuit Boards

346

(2)

Wave Soldering

348

(3)

Thermal Profile of the Wave Soldering Process

351

(4)

Exercises

352

(3)

Surface Mount Technology

355

(34)

Learning Objectives

355

(1)

Introduction

355

(1)

Conductor Pattern Layout

356

(6)

Surface Mount Assembly

362

(4)

Solder Paste

366

(3)

Adhesives

369

(2)

Soldering for SMT

371

(8)

Soldering and De-soldering Systems

379

(10)

Exercises

386

(3)

UNIT FIVE: Chassis Fabrication and Metal Finishing Techniques

389

(70)

Shearing

390

(7)

Learning Objectives

390

(1)

Introduction

390

(1)

Foot-Operated Squaring Shear

390

(2)

Hand-Operated Squaring Shear

392

(1)

Hand Notcher

393

(1)

Hydraulic and Mechanical Power-Driven Shears

394

(3)

Exercises

395

(2)

Chassis Layout

397

(11)

Learning Objectives

397

(1)

Introduction

397

(1)

Layout Dye

397

(1)

Layout Table

398

(1)

Scribe and Scale

399

(1)

Hermaphrodite Calipers

399

(2)

Combination Square

401

(2)

Punches

403

(1)

Dividers

404

(4)

Exercises

406

(2)

Drilling, Reaming, and Punching

408

(16)

Learning Objectives

408

(1)

Introduction

408

(1)

Basic Twist-Drill Characteristics

409

(1)

Drill Bit Points

410

(2)

Drill Press

412

(2)

Drilling Operation

414

(2)

Deburring

416

(2)

Reaming

418

(1)

Punching

419

(5)

Exercises

421

(3)

Metal Cutting

424

(15)

Learning Objectives

424

(1)

Introduction

424

(1)

Metal Cutting Blades

425

(2)

Vertical Bandsaw

427

(3)

Hand Nibbler

430

(1)

Files

431

(8)

Exercises

436

(3)

Bending

439

(13)

Learning Objectives

439

(1)

Introduction

439

(1)

Bend Allowance

439

(2)

Bending Brake

441

(3)

Bending Sequence

444

(3)

Corner-Tab Box Chassis

447

(5)

Exercises

450

(2)

Metal Finishing and Labeling

452

(7)

Learning Objectives

452

(1)

Introduction

452

(1)

Surface Preparation and Finishing

452

(2)

Labeling

454

(5)

Exercises

457

(2)

UNIT SIX: Chassis Hardware and Wiring

459

(58)

Chassis Hardware and Assembly

460

(20)

Learning Objectives

460

(1)

Introduction

460

(1)

Machine Screws

461

(3)

Nuts and Washers

464

(2)

Thread-Forming and Thread-Cutting Screws

466

(2)

Screwdrivers and Nutdrivers

468

(2)

Wrenches

470

(2)

Pop Rivets

472

(1)

Pliers for Hardware Assembly

473

(1)

Special Fasteners and Hardware

474

(6)

Exercises

478

(2)

Wire and Interconnection Techniques

480

(37)

Learning Objectives

480

(1)

Introduction

480

(1)

Conductor Materials and Wire Configurations

481

(4)

Insulation Material

485

(5)

Special Wire Configurations

490

(1)

Tools for Wire Preparation and Assembly

491

(4)

Wire Connections

495

(2)

Soldering to DOD-STD-2000-3 Standards

497

(4)

Special Wire Assemblies and Techniques

501

(2)

Solderless Wiring Techniques

503

(1)

Wire-Wrap Connections

504

(5)

Cable Ties

509

(3)

Shrinkable Tubing

512

(1)

Cable Clamps

513

(4)

Exercises

513

(4)

UNIT SEVEN: Student Projects

517

(95)

Electronic Devices for Student Projects

518

(40)

Introduction

518

(1)

Semiconductor Diodes

518

(4)

Digital Displays

522

(2)

Semiconductor Transistors

524

(4)

Silicon-Controlled Rectifiers

528

(2)

Operational Amplifiers

530

(4)

Digital Logic

534

(3)

High-Power Voltage Regulator ICs

537

(3)

Low-Power Voltage References ICs

540

(2)

NE555 Timer

542

(5)

Sensors

547

(5)

Piezoelectric Devices

552

(1)

Integrated Circuit Converters

553

(5)

Introductory-Level Student Projects

558

(19)

Introduction

558

(1)

Packaging a Laboratory Power Supply

559

(2)

Negative-Acting One-Shot Multivibrator PCB Design

561

(4)

Fabricating a Single-Sided Printed Circuit Board for the TTL Logic Probe Project

565

(3)

Soldering to a Practice Printed Circuit Board

568

(2)

Sheet Metal Tap and Drill Index

570

(3)

Soldering to a Practice Wire Board

573

(4)

Advanced-Level Student Projects

577

(35)

Introduction

577

(5)

Darkroom Timer

582

(2)

TTL Logic Probe

584

(2)

1.2-to-20-Volt Laboratory Power Supply with Digital Readout

586

(4)

Portable Farenheit/Celcius Thermometer with LCD Readout

590

(6)

Portable Sportsman's Barometer with LCD Readout

596

(2)

Automobile Security Alarm System

598

(5)

Microcontroller-Based Refrigeration Alarm System

603

(9)

Appendices

612

(49)

Bibliography

661

(2)

Index

663


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