Getting the vapors: The increasing use of lead-free solder has renewed...

Assembly;  February 1, 2002 ;     700+ words ......want to take a new look at an old standby: vapor phase soldering. Invented in 1973, vapor phase reflow is as old as surface mount assembly...reflow, those processes gradually supplanted vapor phase as the soldering methods of choice, especially...

A New Approach to Vapor Phase Reflow Soldering

SMT;  November 1, 2006 ;     700+ words ......has generated renewed interest in vapor phase reflow soldering for thermally challenging PCBAs. Although vapor phase soldering - also called condensation...process, and describes a new method of vapor phase soldering. The introduction of lead-fr...

Rolling contact testing of vapor phase lubricants--part I: Material...

Tribology Transactions;  July 1, 1997 ;     700+ words ......tests have been performed with four candidate vapor phase lubricants under rolling contact conditions...contain Fe at the bearing surface. KEY WORDS Vapor Phase Lubrication, Vapor Phase Lubricants, Ball Bearings INTRODUCTION The...

Texas Inventors Develop Hydrocarbon Feedstock Cracking Process

US Fed News Service, Including US State News;  September 4, 2008 ;     319 words ......a flash/separation vessel to form a vapor phase and a liquid phase, partially condensing the vapor phase by contacting with a condenser within...add to the liquid phase, removing the vapor phase of reduced coke precursors content as...

Texas Inventors Develop Cracking Hydrocarbon Feedstock Cracking Process

US Fed News Service, Including US State News;  July 24, 2007 ;     318 words ......a flash/separation vessel to form a vapor phase and a liquid phase, partially condensing the vapor phase by contacting with a condenser within...add to the liquid phase, removing the vapor phase of reduced coke precursors content as...

California Inventors Develop Vapor Phase Etch Endpoint Detection Method

US Fed News Service, Including US State News;  March 16, 2007 ;     318 words ......method for detecting an endpoint in a vapor phase etch. According to the U.S. Patent...released by the Patent Office, said: "A vapor phase etchant is used to remove a material...chamber (or downstream thereof), as the vapor phase etchant passes from the etching chamber...

Vapor phase soldering expansion aids pc board reflow.

Assembly;  February 1, 1992 ;     385 words ......soldering and an old, batch-style vapor phase unit with a two-fluid design. The...and generally low yield for the vapor phase process. And since the batch unit...For more information about Centech vapor phase soldering equipment.

Vapor phase lubrication using a thioether

Lubrication Engineering;  March 1, 1997 ;     430 words ......possible solution may be the use of vapor phase lubrication, a method whereby an organic...conventional solid lubricants. Previous vapor phase lubrication studies have employed organic...problems remained unsolved. For instance, vapor phase lubrication worked only in a narrow...

Texas Inventor Develops Vapor Condensation Reduction Process

US Fed News Service, Including US State News;  June 26, 2007 ;     305 words ......flash/separation apparatus to form a vapor phase at its dew point which partially cracks...decrease and partial condensation of said vapor phase in the absence of added heat, and a...decrease and to dilute and superheat the vapor phase, prior to removing the vapor phase ...

Japanese Inventor Develops Vapor Phase Deposition Apparatus

US Fed News Service, Including US State News;  October 24, 2008 ;     314 words ......compound film on the wafer by using a vapor phase deposition apparatus, including: forming...film on the wafer in an interior of the vapor phase deposition apparatus 100 by introducing...formed thereon from the interior of the vapor phase deposition apparatus 100; introducing...

California Inventor Develops Semiconductor Device Recessed Structure...

US Fed News Service, Including US State News;  June 16, 2008 ;     314 words ......films on the top by plasma enhanced vapor phase processes. The apparatus and process...allows the practitioner to complete all vapor phase process sequences of diffusion barrier...case of copper metallization scheme, vapor phase gap fill can be employed to replace...

Texas Inventors Develop Hydrocarbon Feedstock

US Fed News Service, Including US State News;  May 16, 2008 ;     411 words ......flash/separation apparatus to form a vapor phase at its dew point which partially cracks...decrease and partial condensation of the vapor phase in the absence of added heat to provide...condensate, and a liquid phase; removing the vapor phase as overhead and the liquid phase as...

Rolling contact testing of vapor phase lubricants--part III: Surface...

Tribology Transactions;  January 1, 1999 ;     700+ words ......characterize bearing surfaces lubricated from the vapor phase. Results are presented for surface films...proposed based on the results. KEY WORDS Vapor Phase Lubrication; Lubricants, Vapor Phase Lubricants; Surface Analytical Techniques...

Japanese Inventor Develops Metal Compound Film Deposition Method

US Fed News Service, Including US State News;  October 5, 2007 ;     313 words ......compound film on the wafer by using a vapor phase deposition apparatus, including: forming...film on the wafer in an interior of the vapor phase deposition apparatus by introducing...formed thereon from the interior of the vapor phase deposition apparatus; introducing a...

Lead-free: Using Vapor Phase Reflow in Lead-free Processing

SMT;  April 1, 2005 ;     700+ words ...DURING LEAD-FREE PROCESSING, VAPOR PHASE REFLOW OFFERS THE OPTION TO ELIMINATE...unique systems for rapid changeover. Vapor phase equipment was selected because of its...components at higher peak temperatures. Vapor phase offers the option to eliminate the variable...