The DispenseJet DJ-9500 supports a long list of jettable fluids for a wide range of applications. Incorporating over 15 years of jetting experience, the DJ-9500 jet provides even more capability than its DJ-9000 predecessor. Nordson ASYMTEK's jettin
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Fine Line Stencil is Committed to Delivering the Highest Quality Laser Stencils in the Industry LPKF Laser Technology / SMT Stencil Laser Technology Laser Slic Stencils / Laser Ultra Slic Stencils Custom Apertures Dog Bone, Home Plate, K
Electronics Forum | Thu Nov 29 22:38:05 EST 2007 | shy
Hi Dback, Yes, i'm open "dog bone" aperture for my chip component. this is to prevent solder ball issue. For fine pitch i'm opening square with full length and half width to prevent bridging. Btw, if "dog bone" is not for chip component, what is your
Electronics Forum | Thu Mar 22 16:06:22 EST 2001 | dblsixes
Our next plan of attack is to dog-bone the solder aperature. By reducing the width of the solder paste at the heel, we hope to slow the flow up the leg of the pin while the temperature of the pad catches up. We have boards that were HASL ...
Industry News | 2021-01-19 13:51:42.0
New Micro-Measurements Advanced Sensors Technology C4A Series Strain Gages Enable Easy, No-Solder Installation
Industry News | 2008-06-13 16:32:11.0
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Technical Library | 2019-05-15 22:26:02.0
As the demand for higher routing density and transfer speed increases, Via-In-Pad Plated Over (VIPPO) has become more common on high-end telecommunications products. The interactions of VIPPO with other features used on a PCB such as the traditional dog-bone pad design could induce solder joints to separate during the second and thereafter reflows. The failure has been successfully reproduced, and the typical failure signature of a joint separation has been summarized.To better understand the solder separation mechanism, this study focuses on designing a test vehicle to address the following three perspectives: PCB material properties, specifically the Z-direction or out-of-plane Coefficient of Thermal Expansion (CTE); PCB thickness and back drill depth; and quantification of the driving force magnitude beyond which the separation is due to occur.
Precise coating discrete dots with the DispenseJet DJ-9500. http://www.nordsonasymtek.com
Specialized Metal Squeegees Enhance SMT production; Permalex Edge Metal Squeegees feature a spring-steel base material with a teflon infused coating. They are polished and ground straight. Permalex blades are available from stock, and may be order
