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vapor-phase soldering

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Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001402
EISBN: 978-1-62708-173-3
...Abstract Abstract Vapor-phase soldering is a process of condensation heating in which the product prepared for soldering is passed through or into a layer of saturated vapor. This article provides an overview of the soldering process with emphasis on its applications and the equipment used...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001395
EISBN: 978-1-62708-173-3
... in a furnace and then heated to the soldering temperature. This article describes three reflow soldering techniques in surface-mount technology, namely, vapor-phase reflow, area conduction, and infrared heating. These three techniques are considered as mass reflow techniques, because all of the solderable...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001346
EISBN: 978-1-62708-173-3
... , p 163 – 166 11. Woodgate R.W. , The Handbook of Machine Soldering , 2nd ed. , John Wiley & Sons , 1988 12. Thompson T. , Condensation/Vapor-Phase Reflow Soldering , Ass. Eng. , June 1977 , p 44 – 47 13. Chu T.Y. , A General Review of Mass Soldering...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001344
EISBN: 978-1-62708-173-3
... to such a degree that a new technique for attachment was needed, and surface mounting was developed. Surface mount technology in turn required new ways to make solder joints, prompting the development of vapor phase, infrared, hot gas, and other reflow soldering techniques. Soldering remains the attachment...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003211
EISBN: 978-1-62708-199-3
...: Soldering iron or bit Flame or torch soldering Hot dip soldering Induction soldering Resistance soldering Furnace soldering Infrared soldering Ultrasonic soldering Wave soldering Laser soldering Hot gas soldering Vapor-phase soldering Each of the methods is described...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003211
EISBN: 978-1-62708-199-3
... Hot gas soldering Vapor-phase soldering Each of the methods is described in Welding, Brazing, and Soldering, Volume 6 of the ASM Handbook (see pages 349 to 370). Care should be taken in specifying the correct solder for the job, because each alloy is unique with regard to its...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001492
EISBN: 978-1-62708-173-3
... gas; W, wave soldering; VPC, vapor phase condensation; LB, laser-beam soldering. (b) NC, noncorrosive organic flux (base: rosin): IN. intermediate organic flux (base: organic acids, organic hydrohalides, amines, and amides); CO, corrosive inorganic flux (base: chlorides and acids). Source: Ref...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001459
EISBN: 978-1-62708-173-3
... is heated. Examples of global techniques include vapor-phase (condensation) reflow, furnace (infrared or convection) reflow, wave soldering, ultrasonic soldering (bath), as well as dip (including hot-air leveling) and drag soldering. Local heating techniques include the soldering iron (heat and heat plus...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001092
EISBN: 978-1-62708-162-7
... cases, the use of induction heating, heat guns, or reducing atmospheres is recommended. Vapor-phase soldering with indium-base alloys continues to gain in importance, particularly for the joining of back-plane connector pins to printed boards. Wave soldering has been performed satisfactorily...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001460
EISBN: 978-1-62708-173-3
... in PWB assembly based on surface-mount technology. Processes such as vapor-phase (condensation) and infrared (IR) furnace reflow are well suited to solder paste use. Solder paste is a mixture of solder particles with a binder composed of flux, rheological components (such as thickeners), and a solvent...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001479
EISBN: 978-1-62708-173-3
... that have failed in service. The sectioning of soldered joints may be the only method available for evaluating the overall quality of the joint. Porosity, cracking, excessive intermetallic growth, and phase coarsening are conditions that are found within the interior of the joint, and which may only...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005552
EISBN: 978-1-62708-174-0
... process methods Table 4 Comparison of the most common brazing and soldering process methods Brazing Soldering Chemical heat sources Gas torch Torch brazing (a) Torch soldering (a) Gas furnace or oven (Gas) furnace brazing (Gas) oven soldering Heat of condensation Vapor...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003065
EISBN: 978-1-62708-200-6
..., this process is presently of negligible commercial importance. The chemical vapor deposition processes, by which most optical fibers are formed, and the sol-gel processes were developed primarily as low-energy methods to produce high-silica glass products. Such glasses are characterized by high melting...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001223
EISBN: 978-1-62708-170-2
... positioning. (b) Correct positioning Fig. 4 Vacuum cleaning system. Courtesy of Baron-Blakeslee Company Fig. 2 Principal systems of vapor degreasing. (a) Vapor phase only. (b) Vapor-spray-vapor. (c) Warm liquid-vapor. (d) Boiling liquid/warm liquid-vapor Fig. 1 Spray cleaning...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001487
EISBN: 978-1-62708-173-3
... as fire. To prevent explosions, operators must avoid all sources of ignition. Welding, brazing, soldering, cutting, or operating equipment that can produce heat or sparks must not be done in atmospheres containing flammable gases, vapors, or dusts. Such flammables must be kept in leak-fight containers...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003698
EISBN: 978-1-62708-182-5
... corrosion inhibitor or vapor-phase corrosion inhibitor Efficiencies of various volatile corrosion inhibitor compounds Table 5 Efficiencies of various volatile corrosion inhibitor compounds Compound Vapor pressure (mm Hg) at 40 °C (105 °F) Efficiency based on weight loss method...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003156
EISBN: 978-1-62708-199-3
... of instability are (a) relief of residual stresses during service; (b) time-dependent or time-temperature-dependent metallurgical changes, such as precipitation of a second phase; and (c) corrosion or oxidation; and (d) humidity. Residual stresses often are relieved at room temperature over long periods...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006079
EISBN: 978-1-62708-175-7
...) the vehicle reacts with the moisture to produce hydrogen and carbon monoxide. In a high-vacuum furnace (approximately 10 –3 torr and below), the vehicle vaporizes when heated and is forced out into the cold portions of the furnace and usually is pumped out of the system. Laves phase is a type...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001076
EISBN: 978-1-62708-162-7
... heat of phase transformation, J/g (Btu/lb) 17.6 (7.57) Latent heat of vaporization, kJ/g (Btu/lb) 2.4 (1.03 × 10 3 ) Specific heat, J/kg · K (Btu/lb · °F)  α phase at 10 °C (50 °F) 205 (49 × 10 −3 )  β phase at 25 °C (77 °F) 222 (53 × 10 −3 ) Linear coefficient of thermal expansion...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.9781627081825
EISBN: 978-1-62708-182-5