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microelectronic welds

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290001
EISBN: 978-1-62708-306-5
... examining the various joining processes, namely fusion welding, solid-state welding, brazing, soldering, mechanical fastening, and adhesive bonding. In addition, it provides information on several design considerations related to the joining process and selection of the appropriate process for joining...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110563
EISBN: 978-1-62708-247-1
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230001
EISBN: 978-1-62708-351-5
... of holding time at 820 °C (1500 °F). Four distinct stages are observed, demonstrating the complexity of the wetting process. [ Weirauch, Jr., and Krafick 1996 ] Fig. 1.6 Schematic showing fundamental steps in the frictional welding process (involving rotational movement). (a) One part or workpiece...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.9781627083515
EISBN: 978-1-62708-351-5
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
... is shown in Fig. 11.7 . The computer identified side gate location as optimal, thereby ensuring flow toward the opposite corner. Computer simulation is able to locate the gate, cooling channel, vent, and weld line locations to reduce forming defects. Fig. 11.7 The filling time is shown on a finite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220667
EISBN: 978-1-62708-259-4
... to the axle surface (caused by the observations of Fig. 18.1 ) was a weld repair in the fracture initiation region detected. Railroad axles are not supposed to be welded or weld repaired (this is forbidden in the applicable specification), as they are similar to forged AISI 1050 steel, so the hypothesis...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720063
EISBN: 978-1-62708-305-8
... purpose systems for such applications as printed circuit board (PCB) inspection, weld seam tracking, robot guidance and control, and inspection of microelectronic devices and tooling. These special purpose systems often incorporate unique image analysis and interpretation techniques that exploit...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
..., corrosion, machining, welding, fluid flow, and so forth. It is a condition-monitoring technique and is very useful in predicting failures. Computed Tomography (CT) In this technique, a thin beam of radiation, generally x-rays, is made to pass through the component and the image of a thin cross...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2021
DOI: 10.31399/asm.tb.ciktmse.9781627083898
EISBN: 978-1-62708-389-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270005
EISBN: 978-1-62708-301-0
... Welds Improper fusion Cracks in heat affected zone Wrong filler material Machined parts Poor surface finish Grinding burns Heat treatment Quench cracks Overheating Undertempering Surface treatment Improper cleaning Improper plating Improper post...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290261
EISBN: 978-1-62708-319-5
... the feedstock shoots across the mold and lls back toward the gate. Generally this is unacceptable for quality components. K knit line. The same as a weld line. A linear defect occurring where feedstock streams merge in the cavity because of two gates or Appendix / 267 ow around a core or other solid portion...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440145
EISBN: 978-1-62708-352-2
...-Copper Brazing Filler Composites for Brazing Ceramics , Weld. J. , Vol 71 (No. 1 ), p 21s–24s • Carley D.R. , Nearhoff R.W. , and Denning R. , 1984 . Moisture Control in Hermetic Leadless Chip Carriers with Silver-Epoxy Die Attach Adhesive , RCA Review , Vol 45 (No. 2 ), p...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110587
EISBN: 978-1-62708-247-1
.... The current work supplements an article in the previous edition of Microelectronics Failure Analysis Desk Reference [2] . General construction of select components along with typical failure modes and relevant FA techniques are discussed. Different types of capacitors, with Ta, Al and super CAP being polar...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230221
EISBN: 978-1-62708-351-5
... Reactive Metal Brazing , Weld. J. Res. Suppl. , Vol 73 ( No. 3 ), p 54s – 60s • Camilo de Camargo P.R. , 1995 . “Role of Oxygen in the Cu-O-Ti/Sapphire Interfacial Region Formation,” Ph.D. dissertation, T-4726, Colorado School of Mines • Chidambaram P.R. , Edwards G.R...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480293
EISBN: 978-1-62708-318-8
... In addition, titanium may shrink on steel drills, reamers, and taps because of differences in the thermal expansion of these two materials. Chemical Reactivity The strong chemical reactivity of titanium with tool materials at high cutting temperatures and pressures induces galling, welding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.9781627083485
EISBN: 978-1-62708-348-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110067
EISBN: 978-1-62708-247-1
... imaging has played a major role in the macroscopic imaging of sub-surface flaws in industrial components (rails, pipe, welds, etc.) with center frequencies in the range of 1-10 MHz. C-scan inspection takes advantage of its ability to penetrate optically opaque solids and detect thin cracks [3 , 4...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290111
EISBN: 978-1-62708-319-5
... of capacitors, microelectronic substrates, porous tubes, casting filters, welding rods, diesel engine particulate filters, and automobile exhaust catalytic converter substrates. Figure 6.15 shows segments of extruded honeycomb produced by chopping a long structure. Porous metallic tubes have been produced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170528
EISBN: 978-1-62708-297-6
... and temperature capabilities. Fig. 1 Tin-lead phase diagram Table 5 lists the compositions and melting ranges of tin-lead, tin-lead antimony, tin-lead-silver, and lead-silver solders. The high-lead solders, which have a 5 to 20 wt% Sn content, are used extensively in microelectronics packaging...