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SSecond(s)
SSouth
SSmile
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SSearch (Stores 100 code)
SSex
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SStore
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SSection
SSave (baseball)
SSuper (in automatic transmissions; equal to 2)
SSign
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SSwitch
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SSin (Spanish: Without)
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SSevere (rock climbing grade)
SStuttgart (auto license plate)
SSemi-Annual
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SSuperb
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SSaskatchewan (postal code designation, Canada)
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SSenate
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SSheffield (postcode, United Kingdom)
SServicing
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SSpectacles
SSickness (on overtime forms)
SSine (Latin: Without)
SScrap
SSequential
SShaman (Mic-O-Say, Heart of America Council, Boy Scouts of America)
SDisplacement
SSeaman
SStokes (kinematic viscosity)
SSulfur
SShilling (British currency)
SSpades (playing cards)
SSoldering
SSparkasse (German: public savings bank)
SEntropy (thermodynamics)
SStarboard (nautical)
SSubchapter S Corporation
SSkype (voice-over-Internet service)
SSecurity Prison (Cambodia; Khmer Rouge designation)
SSerine (amino acid)
SSystolic (peak blood pressure)
SStreptococcus
SStreptomycin
SAntisubmarine (US military aircraft designation; as in S-2 Tracker)
SSpaceplane (US military aerospace vehicle)
SSchweizer Aircraft Co. (manufacturer's symbol)
STrack spacing
SSacral Vertebra (prefix, as in S-1)
SScatterable (mines)
SSocialdemokratiska Arbetarpartiet (Swedish political party)
SSilicaceous (asteroid class)
SSubthreshold Swing
SStarboard Truss Segment (ISS)
SFranchise Stamp (Scott Catalogue prefix; philately)
SFresnel Sine Integral
SS Sub-Shell (innermost electron subshell)
SArea of a geometric figure (mathematics)
STERCOM-Aided Inertial Navigation System
SOnde Seconde (Italian: second wave; seismography)
SSupervisory Function Bit
SSecondary Body Waves
SUS DoT tire speed rating (112 mph)
SContinuous-time complex variable (analogous to Z in discrete-time; electrical engineering)
SFourth Heartbeat Wave
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References in periodicals archive ?
Solder can spit, therefore ANSI/ISEA Z87.1-rated safety glasses or goggles must be worn while soldering.
Ma and Wu [45] also added Zn elements to the Sn-58Bi solder and a CuZn and [Cu.sub.6][(Sn, Zn).sub.5] layer formed at the Cu/Sn-58Bi-0.7Zn interface during the soldering and the whole aging process.
The metal surfaces must be wetted by soldering. The wetting grade can be measured by the wetting angle according to Young's equation:
At this temperature, the solder paste becomes fluid and fills the holes by capillary action, soldering the THR components to the circuit board.
ROBOT DISTANCE ANGLE CORRECTED IN ([degrees]C) SPEED MM [degrees] SOLDERING POINTS TOTAL MM/SEC 1 2 3 4 # 1 250 3 3 10 20 18 16 20 74 2 250 5 4 7 20 20 20 20 80 3 250 10 5 0 20 10 10 10 50 4 280 3 4 0 20 20 20 16 76 5 280 5 5 10 20 20 20 20 80 6 280 10 3 7 20 16 16 14 66 7 320 3 5 7 10 16 16 16 55 8 320 5 3 0 8 12 10 8 38 9 320 10 4 10 20 16 20 16 72
Generally, the soldering temperature of Lead(Pb)-Free solder is higher than that of conventional tin-lead solder, so it is essential to ensure that the soldering temperature is not in excess of the head-resistance temperature of the components.
His company has developed what he claims is an effective alternative, It's called "intermittent micro flame soldering," and it employs a small gas flame that heats a localized area so that there is minimal collateral heating of the surrounding area.
SmartHeat technology eliminates major assembly problems by approaching manual soldering in a different way With conventional irons, the amount of power supplied to the soldering tip remains constant while the tip temperature can vary enormously With SmartHeat, the tip temperature is kept constant - not the power supplied to it.
The problem is especially serious in residences with new plumbing, because the highest lead leacing from solder occurs within the first 24 months; the report adds that "lead levels [attributable to solder] can remain elevated for five years." The June 1986 amendments to the Safe Drinking Water Act (SN:7/19/86, p.40) ban the use of soldering materials exceeding 0.2 percent lead for public water systems and the use of pipes containing more than 8 percent lead.
Capacitor components of size 1806 were soldered on DBC substrates using convection reflow soldering and vacuum vapor-phase soldering technologies.