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Browse by Category: Main > Material Science
Class Information
Number: 228/39
Name: Metal fusion bonding > Including means to apply flux or filler to work or applicator > By partial or total immersion of work or applicator into liquid > With means to mask or stop work
Description: Device, including means for: (a) placing a barrier member or layer into engagement with an area of the work for effectively separating such area from the liquid, or (b) physically limiting movement of the work into the liquid.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7497365 Paste coater and PoP automatic mounting apparatus employing the same Mar. 3, 2009
7093746 Coated stencil with reduced surface tension Aug. 22, 2006
7070087 Method and apparatus for transferring solder bumps Jul. 4, 2006
6988652 Solder printing using a stencil having a reverse-tapered aperture Jan. 24, 2006
6964093 System for mounting electronic device Nov. 15, 2005
6955285 Apparatus for aligning and dispensing solder columns in an array Oct. 18, 2005
6905059 Solder ball attachment system Jun. 14, 2005
6889886 Transfer apparatus for arraying small conductive bumps on substrate and/ or chip May. 10, 2005
6814804 Apparatus and method for printing solder paste Nov. 9, 2004
6805274 Solder ball attracting mask and its manufacturing method Oct. 19, 2004
6739498 Solder ball attachment system May. 25, 2004
6708871 Method for forming solder connections on a circuitized substrate Mar. 23, 2004
6708868 Method for producing weld points on a substrate and guide for implementing said method Mar. 23, 2004
6705513 Methods of bonding solder balls to bond pads on a substrate, and bonding frames Mar. 16, 2004
6702173 Reflow apparatus in continuous printing and mounting apparatus for film-like printing body Mar. 9, 2004
6698648 Method for producing solderable and functional surfaces on circuit carriers Mar. 2, 2004
6676006 Flux supply device in which liquid flux is supplied through liquid holding portion, and liquid flux supply method Jan. 13, 2004
6659328 Method and apparatus for deposition of solder paste for surface mount components on a printed wiring board Dec. 9, 2003
6641030 Method and apparatus for placing solder balls on a substrate Nov. 4, 2003
6592943 Stencil and method for depositing solder Jul. 15, 2003
6569248 Apparatus for selectively applying solder mask May. 27, 2003
6550662 Chip rework solder tool Apr. 22, 2003
6510977 Method and apparatus using laminated foils for placing conductive preforms Jan. 28, 2003
6464130 Method of manufacturing piezoelectric actuator and method of joining lead wire to piezoelectric element of piezoelectric actuator Oct. 15, 2002
6427898 Solder bump forming method and apparatus Aug. 6, 2002
6412685 Method and apparatus for release and optional inspection for conductive preforms placement apparatus Jul. 2, 2002
6375064 Method of forming projecting electrodes and method of manufacturing semiconductor device provided with projecting electrodes Apr. 23, 2002
6343732 Passive and active heat retention device for solder fountain rework Feb. 5, 2002
6321438 Method of applying a matching layer to a transducer Nov. 27, 2001
6237832 Wave soldering fixture May. 29, 2001
6223973 Apparatus and method for connecting printed circuit boards through soldered lap joints May. 1, 2001
6221514 High-current circuit trace and composition and method therefor Apr. 24, 2001
6182883 Method and apparatus for precisely registering solder paste in a printed circuit board repair operation Feb. 6, 2001
6145729 Non-connected drainage channels for selective wave solder pallets Nov. 14, 2000
6142357 Molded selective solder pallet Nov. 7, 2000
6139079 Universal transport apparatus Oct. 31, 2000
6126059 Captured-cell solder printing and reflow methods and apparatuses Oct. 3, 2000
6027006 Method and apparatus for applying solder and forming solder balls on a substrate Feb. 22, 2000
5830014 Electrical connector Nov. 3, 1998
5820013 Adjustable support apparatus for wave soldering of printed circuit boards Oct. 13, 1998
5704535 Shield and method for selective wave soldering Jan. 6, 1998
5617990 Shield and method for selective wave soldering Apr. 8, 1997
5593080 Mask for printing solder paste Jan. 14, 1997
5588885 Connector with terminals having anti-wicking gel Dec. 31, 1996
5460316 Stencils having enhanced wear-resistance and methods of manufacturing the same Oct. 24, 1995
5454505 Wave solder pallet Oct. 3, 1995
5275326 Guide hole sleeves for boat transports supporting semiconductor device assemblies Jan. 4, 1994
5164010 Solder coating method and apparatus for semiconductor devices Nov. 17, 1992
5086371 Printed circuit board assembly handle/stiffener Feb. 4, 1992
4986210 Apparatus for coating pipe threads Jan. 22, 1991

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