HYDRON® WS 400, based on the FAST® Technology, is an aqueous based cleaning agent specifically designed to remove water-soluble (OA) flux residues from electronic assemblies and is compatible with sensitive metals. Applied at low concentrations (3% t
Electronics Forum | Thu Apr 26 20:49:19 EDT 2007 | davef
Batch cleaner * Aqueous Technologies, 9055 Rancho Park Ct, Rancho Cucamonga, CA 91730; 909-944-7771 F909-944-7775 aqueoustech.com * Austin American Technology; 12201 Technology Blvd, Austin, TX 78727; 512-35-6400 F512-335-5753 aat-corp.com * EMC Glob
Electronics Forum | Mon Apr 30 00:49:07 EDT 2007 | Ron Rumrill
Let me chime-in regarding impact pressure. By definition, impact pressure is determined by several factors: 1. The weight of the water (a constant) 2. Its velocity (determined by the GPM and nozzle�s orifice size) 3. The area impinged (determined
Industry News | 2011-09-28 19:48:18.0
Aqueous Technologies has equipped ZESTRON’s US Technical Center in Manassas, VA, with a Trident LD Batch Cleaner.
Industry News | 2018-02-01 19:27:42.0
Seika Machinery today announced plans to introduce the new SAWA SC-CP500-2 Pallet Cleaner Selectable Cleaning System. Company representatives will show the multi-cleaner for the first time in Booth #2043 at the 2018 IPC APEX EXPO, scheduled to take place Feb. 27 - March 1, 2018 at the San Diego Convention Center in Ca.
Technical Library | 2020-11-04 17:49:45.0
OEMs and CMs designing and building electronic assemblies for high reliability applications are typically faced with a decision to clean or not to clean the assembly. If ionic residues remain on the substrate surface, potential failure mechanisms, including dendritic growth by electrochemical migration reaction and leakage current, may result. These failures have been well documented. If a decision to clean substrates is made, there are numerous cleaning process options available. For defluxing applications, the most common systems are spray-in-air, employing either batch or inline cleaning equipment and an engineered aqueous based cleaning agent. Regardless of the type of cleaning process adopted, effective cleaning of post solder residue requires chemical, thermal and mechanical energies. The chemical energy is derived from the engineered cleaning agent; the thermal energy from the increased temperature of the cleaning agent, and the mechanical energy from the pump system employed within the cleaning equipment. The pump system, which includes spray pressure, spray bar configuration and nozzle selection, is optimized for the specific process to create an efficient cleaning system. As board density has increased and component standoff heights have decreased, cleaning processes are steadily challenged. Over time, cleaning agent formulations have advanced to match new solder paste developments, spray system configurations have improved, and wash temperatures (thermal energy) have been limited to a maximum of 160ºF. In most cases, this is due to thermal limitations of the materials used to build the polymer-based cleaning equipment. Building equipment out of stainless steel is an option, but one that may be cost prohibitive. Given the maximum allowable wash temperature, difficult cleaning applications are met by increasing the wash exposure time; including reducing the conveyor speed of inline cleaners or extending wash time in batch cleaners. Although this yields effective cleaning results, process productivity may be compromised. However, high temperature resistant polymer materials, capable of withstanding a 180°F wash temperature, are now available and can be used in cleaning equipment builds. For this study, the authors explored the potential for increasing cleaning process efficiency as a result of an increase in thermal energy due to the use of higher wash temperature. The cleaning equipment selected was an inline cleaner built with high temperature resistant polymer material. For the analysis, standard substrates were used. These were populated with numerous low standoff chip cap components and soldered with both no-clean tin-lead and lead-free solder pastes. Two aqueous based cleaning agents were selected, and multiple wash temperatures and wash exposure times were evaluated. Cleanliness assessments were made through visual analysis of under-component inspection, as well as localized extraction and Ion Chromatography in accordance with current IPC standards.
Technical Library | 2019-05-23 10:38:07.0
Solvent and co-solvent cleaning involves the use of engineered solvents in a vapor phase system. The solvents classically used were Class 1 Ozone Depleting Substances, but new types of solvents have been developed that are less environmentally harmful. In some cases, isopropyl alcohol is used with a co-solvent. In these types of cleaning systems, a cloud of boiling vapor solvent is maintained between a boil sump and a cooling coil. When the items to be cleaned are immersed in the vapor cloud, the solvent condenses on the assemblies and acts to dissolve the residues. These processes usually involve a final rinse step outside of the vapor cloud to ensure that all dissolved residues are washed off the assemblies (Figure 1).
"Fast Acting Surfactant Technology" (FAST®) is an innovative surfactant-based cleaning technology developed by ZESTRON. FAST® Technology based cleaning agents are a proprietary mix of newly developed surfactants, which allows for a quicker removal of
The first technology to use centrifugal energy to clean electronic circuit assemblies, precision parts, and semiconductor packages. The system offers unparalleled penetration, solubilization, and contaminant removal The MicroCel Centrifugal Cleanin
Career Center | , Philippines | Engineering,Technical Support
Electronic manufacturing and Semiconductor equipment programming, sustenance and preventive maintenance. Knowledge in PLC, pneumatics and automated equipment. Desktop, Laptop computer servicing trouble-shooting, repair, hardware and software instal
Career Center | , | 2013-03-07 10:18:07.0
Currently work as Equipment Engineer at Integrated Microelectronics Inc., Philippines handles Line Maintenance Technicians, that performs production equipment setup and sustenance. Implements/creates improvements on assigned area. Maintains group KRA
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