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analysis of variance

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Published: 01 December 2009
Fig. 17.3 Excel analysis of variance (ANOVA) menu. The input range highlights the cells containing the data. The user simply clicks and drags across the cells containing the data, and this block fills in automatically. “Alpha” defaults to 0.05, and it represents the confidence level at which More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780171
EISBN: 978-1-62708-268-6
... is necessary to confirm or rule out suspected causes. This chapter discusses two predominant methods for doing this, namely analysis of variance (ANOVA) and Taguchi methods (a more powerful technique based on ANOVA). analysis of variance design of experiments failure causes failure mode assessment...
Image
Published: 01 December 2009
Fig. 17.4 The Taguchi design of experiments process selects factors and their interactions, develops an appropriate experimental design, analyzes results using the analysis of variance technique, and concludes with a confirmation experiment. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780189
EISBN: 978-1-62708-268-6
... and assignment matrices Evaluating potential failure causes using pedigree analysis, change analysis, dimensional conformance and materials assessment tools, and analysis of variance and Taguchi test techniques Selecting and implementing appropriate corrective actions At the conclusion of a systems...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410253
EISBN: 978-1-62708-280-8
... control plan Phase 4. Product Launch Analysis of variance, monitoring, and control Process capability study Machining feedback and corrections Ramp up to run multi-stations in the cell Run at rate confirmation Phase 5. Continuous Improvement Things gone right and things...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260233
EISBN: 978-1-62708-336-2
...-105D The following are statistical methods used in the manufacturing process ( Ref 12 , 13 ): Test of significance Statistical co-relations and regression Analysis of variance and so on Basis of the Statistical Control Chart How the Control Chart Works A typical control...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780157
EISBN: 978-1-62708-268-6
... Abstract Failure analysis can sometimes involve considerations of statistics and probability. This chapter reviews some of the basic types of statistical distributions in order to understand some basic principles in their use. The main focus is on the uses of the normal distribution, which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310119
EISBN: 978-1-62708-346-1
... to the definition of the method, provided the metrological requirements of ISO 7619-1 are met. The analysis of the variances shows that the quantities that significantly influence the measurement uncertainty are the measurement deviations of the penetration depth, Δ t , and the tip radius, Δ r . In comparison...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320063
EISBN: 978-1-62708-332-4
... orthogonal planes. The axes are established in relation to the position of the six locators. Locators are not positioned on cored surfaces to avoid inconsistencies due to core setting variances and the dimensional variability of cores. The part geometry is approved with the coordinate measuring machine...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110153
EISBN: 978-1-62708-247-1
... interfaces with the same expected surface finish. Removing a significant portion of the die substrate will usually affect the stability of the package. Proper planning of the entire backside analysis strategy is a requirement that is frequently trivialized at the peril of the project, as will be shown...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320049
EISBN: 978-1-62708-332-4
... interrelated disciplines are: Design analysis for fitness for function Material knowledge for the application and the environment Manufacturability knowledge of the best product-process fit for delivering the product quality at the most competitive price Fig. 5.1 Component development...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050263
EISBN: 978-1-62708-311-9
... cycle time Increase power output of induction power supply Improve coil design Improve output bus design to increase efficiency Carbon % too low Obtain variance for lower hardness that is produced Carbon restore or carburize surface Scrap parts Poor prior microstructure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540431
EISBN: 978-1-62708-309-6
... Abstract This appendix is a compilation of terms, definitions, abbreviations, and symbols associated with the mechanics and mechanisms of fracture. fracture analysis fracture mechanisms fracture resistance testing Mechanics and Mechanisms of Fracture: An Introduction Copyright © 2005...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110613
EISBN: 978-1-62708-247-1
... Abstract Electronics spans a number of devices, their configurations, and properties. A challenge is to identify those electronic subjects essential for failure analysis. This article reviews the normal operation and terminal characteristics of MOSFET. It describes the electronic behavior...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110666
EISBN: 978-1-62708-247-1
... Abstract This chapter surveys both basic quality and basic reliability concepts as an introduction to the failure analysis professional. It begins with a section describing the distinction between quality and reliability and moves on to provide an overview of the concept of experiment design...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110634
EISBN: 978-1-62708-247-1
.... , “ Improved Wafer-level Spatial Analysis for IDDQ Limit Setting , International Test Conference . 2001 , p. 82 - 91 . [23] Daasch W. , Cota K. , McNames J. and Madge R. , “ Neighbor Selection for Variance Reduction in IDDQ and Other Parametric Data, ” International Test...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320323
EISBN: 978-1-62708-332-4
..., and compacted graphite irons. Grain fineness and grain size distribution are other significant characteristics. Grain size influences the surface finish and the surface area and affects the percentage clay (bond) content. The grain size distribution is measured using the sieve analysis, and fineness...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.9781627083096
EISBN: 978-1-62708-309-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.9781627082808
EISBN: 978-1-62708-280-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110228
EISBN: 978-1-62708-247-1
.... The discussion begins with a section describing the three steps in LADA/SDL analysis setup: create the test loop with the fail flag and loop trigger, select the laser dwell time, and select the shmoo bias point. An overview of LADA/SDL workflow is then presented followed by a brief section on time-resolved LADA...