Technical Library | 2017-09-28 16:36:33.0
These nano-coatings also refine the solder paste brick shape giving improved print definition. These two benefits combine to help the solder paste printing process produce an adequate amount of solder paste in the correct position on the circuit board pads. Today, stencil aperture area ratios from 0.66 down to 0.40 are commonly used and make paste printing a challenge. This paper presents data on small area ratio printing for component designs including 01005 Imperial (0402 metric) and smaller 03015 metric and 0201 metric chip components and 0.3 mm and 0.4 mm pitch micro BGAs.
LASER CUT STAINLESS - LASER CUT PhD - LASER CUT FG - ELECTROFORM - MULTI-LEVEL - NANO COATING - REWORK STENCILS PRECISION MESH SCREENS FOR PRINTING INKS, ETC CHEM-ETCH AND LASER CUT METAL PARTS (SHIELDS, SHIMS, MASKS, ETC.) WE PROVIDE SMT STENC
New Equipment | Solder Paste Stencils
DEK’s Nano-ProTek technology is a permanent, hydrophobic nano-coating that, when applied to the bottom-side of the stencil foil and stencil aperture walls, minimizes solder paste’s ability to stick to the foil surface. Up to a 10X increase in the num
Technical Library | 2023-05-22 16:42:56.0
Nano-coatings are applied to solder paste stencils with the intent of improving the solder paste printing process. Do they really make a noticeable improvement? The effect of Nano-coatings on solder paste print performance was investigated. Transfer efficiencies were studied across aperture sizes ranging from 0.30 to 0.80 area ratio. Also investigated were the effects of Nano-coatings on transfer efficiencies of tin-lead, lead-free, water soluble, no-clean, and type 3, 4, and 5 solder pastes. Solder paste print performance for each Nano-coating was summarized with respect to all of these variables.
New Equipment | Solder Paste Stencils
Laser Fab, NiPlate™, NanoCoat™. NicAlloy-XT™ stencils are the premier laser-cut stencils in the industry. Beginning life as a laser-cut stencil, followed by a secondary process utilizing Photo Stencil’s own proprietary NiPlate™ technology, which fur
Technical Library | 2017-04-13 16:14:27.0
The drive to reduced size and increased functionality is a constant in the world of electronic devices. In order to achieve these goals, the industry has responded with ever-smaller devices and the equipment capable of handling these devices. The evolution of BGA packages and leadless devices is pushing existing technologies to the limit of current assembly techniques and materials.As smaller components make their way into the mainstream PCB assembly market, PCB assemblers are reaching the limits of Type 3 solder paste, which is currently in use by most manufacturers.The goal of this study is to determine the impact on solder volume deposition between Type 3, Type 4 and Type 5 SAC305 alloy powder in combination with stainless steel laser cut, electroformed and the emerging laser cut nano-coated stencils. Leadless QFN and μBGA components will be the focus of the test utilizing optimized aperture designs.
Technical Library | 2019-03-13 15:19:55.0
It is well documented that Nano coatings on SMT stencils offer many benefits to those assembling PWBs. With reduced standard deviation and improved transfer efficiency nano coatings can provide, there is also a cost. As PWB assemblers work to justify the return on investment, one key question continues to arise. What is the durability or life of these coatings and what can be done in the print process to maximize the life of the coatings?This paper addresses durability of the coatings in relation to the number of print cycles and underside wipe cycles applied as well as materials used on the underside wipe process. Different parameters will be applied and data will be collected. The results of this study will be summarized to help those using or considering the use of these nano coatings to improve their print process and suggestions will be given to maximize the life of the coatings.
Industry Directory | Manufacturer
Manufacturer of Laser cut stencils, thick film screens, large format screens. Variety of stainless steel materials and mesh, ITAR registered. Member of SMTA, IMAPS and IPC.
NanoSlic™ Gold is our top of the line spray on coating applied to our UltraSlic™ solder paste stencil, which gives previously unseen performance benefits in transfer efficiency. The NanoSlic™ Gold coating also gives the benefits of improved under-ste
Industry News | 2011-02-15 19:58:07.0
FCT Assembly will introduce new nano-coating stencil technology, along with its latest solder paste technologies, in Booth #262 at the upcoming IPC APEX EXPO, scheduled to take place April 12-14, 2011 at the Mandalay Bay Resort & Convention Center in Las Vegas.
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