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Hermeticity of electronic packages

Author: Hal Greenhouse
Publisher: Park Ridge, N.J. : Norwich, N.Y. : Noyes Publications, ©2000.
Series: Materials science and process technology series.
Edition/Format:   Print book : EnglishView all editions and formats
Summary:
"This monograph provides the necessary background and problem-solving examples required for package designers, package users, reliability engineers and those who measure and evaluate the integrity of packages to apply this knowledge to solving their specific challenges. How do you define the goodness of the seal? How is that seal measured? How does the integrity of the seal affect circuit reliability? What is the
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Additional Physical Format: Online version:
Greenhouse, Hal.
Hermeticity of electronic packages.
Park Ridge, N.J. : Norwich, N.Y. : Noyes Publications, ©2000
(OCoLC)606441122
Material Type: Internet resource
Document Type: Book, Internet Resource
All Authors / Contributors: Hal Greenhouse
ISBN: 9780815514350 0815514352
OCLC Number: 41185183
Description: xiv, 402 pages : illustrations ; 25 cm.
Contents: 1 Gas Kinetics 1 --
1.1 Boyle's Law 3 --
1.2 Charles's Law (1787) or Gay-Lussac's Law (1802) 4 --
1.3 Dalton's Law (1801) 4 --
1.4 Avogadro's Law (1811) 4 --
1.5 Avogadro's Number 4 --
1.6 Loschmidt's Number 4 --
2.0 Mathematical Relationships 4 --
2 Viscous and Molecular Conductance of Gases 15 --
1.0 Conduction of Gases 15 --
2.0 Viscous Conduction 17 --
3.0 Molecular Conduction 20 --
4.0 Conduction in the Transitional Range 26 --
5.0 Composite Conductance Equations 27 --
6.0 Smallest Theoretical Leak 28 --
3 Flow of Gases 48 --
1.0 General Flow Characteristics 48 --
2.0 Measured, Standard and True Leak Rates 51 --
3.0 Leak Rates for Different Gases 52 --
4.0 Change of Partial Pressure with Time 54 --
5.0 Viscous Flow from Sealed Packages 59 --
6.0 Viscous Flow Rates of Different Gases 66 --
4 Flow of Gases into Sealed Packages 82 --
1.0 Molecular Flow 82 --
2.0 Viscous Flow into and out of Sealed Packages 88 --
3.0 Simultaneous Flow of Gases in Both Directions 93 --
5 Water in Sealed Packages 135 --
1.0 Water Related Corrosion and Circuit Failures 135 --
2.0 Water Leaking into a Sealed Package from the Outside Environment 142 --
3.0 Water Outgassing inside the Package 151 --
4.0 Water as a Result of a Chemical Reaction within the Package 157 --
6 Understanding Helium Fine Leak Testing in Accordance with Method 1014, MIL-STD-883 196 --
1.0 Purpose of the Test 196 --
2.0 Basis of the Test 196 --
3.0 Fixed Method of Testing 199 --
4.0 Flexible Method of Testing 206 --
5.0 Comparison of the Fixed and Flexible Methods 206 --
6.0 Effect of Viscous Flow 210 --
7.0 Leak Rate Limits are too Lenient 212 --
8.0 Backfilling the Package with Helium 215 --
9.0 Bombing After Backfilling 217 --
7 Fine Leak Measurements Using a Helium Leak Detector 245 --
1.0 Principle of Operation 245 --
3.0 Calibration Using a Standard Leak 246 --
4.0 Measurement Errors, not Including Background Errors 248 --
5.0 Background Errors 250 --
6.0 Errors due to Helium on the External Surface of the Package 251 --
7.0 Minimum Detectable Leak (MDL) 254 --
8.0 Correlation of Standard Leaks 255 --
9.0 Locating Leaks in Packages 256 --
8 Gross Leaks 269 --
2.0 Forcing a Liquid into a Package 270 --
3.0 Fluorocarbon Vapor Exiting a Package 284 --
4.0 Bubble Test 288 --
5.0 Vapor Detection Test 291 --
6.0 Weight Gain Test 295 --
7.0 Optical Leak Test 295 --
8.0 Penetrant Dye Test 309 --
9.0 Fluorocarbons from a Residual Gas Analysis 309 --
10.0 Quantitative Comparison of Gross Leak Test Methods 315 --
9 Permeation of Gases Through Solids 333 --
1.0 Description of the Permeation Process 333 --
2.0 Effect of Temperature on Permeation 337 --
3.0 Treating Permeation as a Leak Rate 339 --
4.0 Water Vapor Passing Through Plastics 342 --
10 Residual Gas Analysis (RGA) 353 --
1.0 Description of the Test 353 --
2.0 What the Test Measures 354 --
3.0 Calculation of Leak Rates from RGA Data 357 --
4.0 Interpretation of RGA Data 365 --
5.0 Qualification of Small Packages Using RGA 374.
Series Title: Materials science and process technology series.
Responsibility: by Hal Greenhouse.
More information:

Abstract:

A book about the integrity of sealed packages to resist foreign gases and liquids penetrating the seal or an opening in the package - especially critical to the reliability and longevity of  Read more...

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