Technical Library: universal instruments flexjet universal (Page 1 of 9)

Die Attach Dispensing Methods

Technical Library | 2019-05-21 17:20:36.0

Die attach material selection and process implementation play crucial roles in any microelectronic assembly. The chosen attach methods ultimately affect die stress, functionality, thermal management, and reliability of the assembly. Die attach applications are designed to optimize mechanical attachment of the die to the substrate, to create a thermal path from the die to the substrate, and to create an electrical path for a ground plane connection. Some of the more commonly used die attach materials in the microelectronics industry today are epoxies,polyimides, thermoplastics, silicones, solders, and special low outgassing, low stress, anisotropic adhesives.

ACI Technologies, Inc.

IPC Apex Expo 2020 Remarks

Technical Library | 2020-03-12 14:14:07.0

IPC's APEX EXPO is always exciting & always fun and, most importantly, always beneficial to those who exhibit and attend. From technical conferences to standards committees to new and exciting things on the show floor - APEX 2020 was indeed a success

SMTnet

Electrochemical Methods to Measure the Corrosion Potential of Flux Residues

Technical Library | 2017-07-27 16:51:57.0

Reliability Expectations of Highly Dense Electronic Assemblies is commonly validated using Ion Chromatography and Surface Insulation Resistance. Surface Insulation Resistance tests resistance drops on both cleaned and non-cleaned circuit assemblies. It is well documented in the literature that SIR detects ionic residue and the potential of this residue to cause leakage currents in the presence of humidity and bias. Residues under leadless components are hard to inspect for and to ensure flux residue is totally removed. The question many assemblers consider is the risk of residues that may still be present under the body of components.

KYZEN Corporation

Validity of the IPC R.O.S.E. Method 2.3.25 Researched

Technical Library | 2010-06-10 21:01:48.0

This paper researches the effectiveness of the R.O.S.E. cleanliness testing process for dissolving and measuring ionic contaminants from boards soldered with no-clean and lead-free flux technologies.

KYZEN Corporation

Printed Circuit Board For Industrial Application Drives a wave of Innovation

Technical Library | 2016-08-02 06:04:42.0

The next generation FUNDAS rest on one and only one motto (i.e.) technology up-gradation. For innovations in any corner of the world, a completely unique electronic solution is derived that accounts for fast trending modernization in the lifestyle of humans. With electronic design or manufacturing solution, the printed circuit boards are the groundwork for every electronic project. As the electronic control system and instruments are now applied in every predominant market across the globe, the use of PCB is predicted to have universal application in the global society. This article details you on the type of PCB’s used in the industrial sector, the application of PCB and innovations marked in the industrial sector with current steps taken by PCB manufacturers to provide unique solutions to the industrial sharks. See more: http://www.technotronix.us/pcbblog/printed-circuit-board-for-industrial-application-drives-a-wave-of-innovation/

Technotronix

Ceramic to Plastic Packaging

Technical Library | 2010-04-15 22:06:32.0

As electronic products increase in functionality and complexity, there is an emphasis on affordability, miniaturization, and energy efficiency. The telecommunications, automotive, and commercial electronic markets are the leading drivers for these trends. These markets see high volume manufacturing with millions of units priced to the fraction of the cent. The choice of the packaging material for the electrical components for these markets can have a substantial effect on the cost of the final product. Therefore plastic encapsulated components are almost universally used in non-military applications over the conventional ceramic or metal electronic packages.

Electronics Manufacturing Productivity Facility (EMPF)

The PCB Used In Marine Industry Paving Way For Innovations

Technical Library | 2016-08-02 06:10:56.0

As the technology has become a universal key to major developments, the marine and boat industry has shown elevated growth in recent time. The marine market circumscribes on the electronic and design solutions for every single innovation. All the developments in Marine sector has and are heading towards a notion of modernization and among these, printed circuit board is grounding the research and developments. How to increase the efficiency of the device? How to gain optimum fuel efficiency? Does the dual fuel concept become a buzz word for major innovations? These are the basic questions which are considered to bring new novelties in the market.

Technotronix

Evaluating Automated Wafer Measurement Instruments

Technical Library | 1999-08-05 09:34:44.0

This document demonstrates a sequential process of evaluating automated wafer instruments and discusses why this approach is useful for studying instruments that have automation features such as loading and focusing mechanisms. The methodology specifies a series of experiments consisting of two or more capability studies followed by a stability study. Each experiment achieves a separate goal, yet combines with the others in providing information needed to assess the usefulness of the instrument.

SEMATECH

Mechanical stress test for component solder joints and bonding wires

Technical Library | 2016-08-24 06:15:35.0

From consumer electronics to systems control, automotive technology to aviation and aerospace – today, electronics are absolutely essential in many sectors. They increasingly replace mechanical components, eliminating wear and tear and thereby extending the service life. What is easily forgotten in this regard is that electronics are also subject to the laws of mechanics. Mechanical test equipment is crucial to test components for the secure hold of welded, soldered or adhesive bonds. A new, mechanically intricate test probe with universal clamping jaws, that can even grasp the individual bonding wires, is in line with the trend toward ever smaller components. Serving as an actuator for these is a micro drive that can be precisely controlled using a miniaturised motion controller to relieve the control unit in the test device.

XYZTEC bv

Instrumentation for Studying Real-time Popcorn Effect in Surface Mount Packages during Solder Reflow

Technical Library | 2014-06-12 16:40:19.0

Occurrence of popcorn in IC packages while assembling them onto the PCB is a well known moisture sensitive reliability issues, especially for surface mount packages. Commonly reflow soldering simulation process is conducted to assess the impact of assembling IC package onto PCB. A strain gauge-based instrumentation is developed to investigate the popcorn effect in surface mount packages during reflow soldering process. The instrument is capable of providing real-time quantitative information of the occurrence popcorn phenomenon in IC packages. It is found that the popcorn occur temperatures between 218 to 241°C depending on moisture soak condition, but not at the peak temperature of the reflow process. The presence of popcorn and delamination are further confirmed by scanning acoustic tomography as a failure analysis.

WASET - World Academy of Science, Engineering and Technology

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