Technical Library: wave height low (Page 1 of 2)

Revolutionize PCB Manufacturing with SMT Dispensing Machines

Technical Library | 2023-12-18 11:33:57.0

Elevate your electronic manufacturing game with the I.C.T-D600 SMT Dispensing Machine! Precision, safety, and efficiency in one powerful solution. ​In the dynamic realm of electronic manufacturing, precision and efficiency are not just preferences but essential requirements. Introducing the I.C.T-D600, an automatic glue dispenser machine engineered to enhance production processes across various applications. From chip encapsulation to PCB assembly, SMT red-glue dispensing, LED lens production, and medical device creation, SMT dispensing machine is a versatile solution tailored to meet the demands of the industry. Essential Attributes Of The I.C.T-D600 Automatic Glue Dispenser Machine 1. Compliance with European Safety Standards: The I.C.T-D600 SMT dispensing machine prioritizes not only efficiency but also safety, boasting compliance with European safety standards and holding a CE certificate. This ensures a secure and reliable manufacturing environment, aligning with global quality benchmarks. 2. International Component Quality: Internationally renowned components form the core of the D600 SMT dispensing machine. From Panasonic servomotors to MINTRON CCD, each element is carefully selected, guaranteeing high performance and durability. This commitment to quality components results in a machine that operates seamlessly, reducing downtime and maintenance costs. 3. Impressive Performance Metrics: The SMT dispensing machinedoesn't just meet expectations; it surpasses them with exceptional performance metrics: Maximum Guide Rail Speed: 400mm/s Fastest Injection Valve Speed: 20 spots/sec Dispensing Accuracy: ±0.02mm Repeated Accuracy: ±0.01mm Machine Characteristics: Core Part – Jet Valve The non-contact jet dispensing method ensures high-speed operation (max jet speed: 20 spots/second), high accuracy with a minimum dispensing volume of 5nl, and flexibility with extremely small dispensing volumes. The thermostatic system for the flow channel and sprayer ensures uniform glue temperature, resulting in low maintenance costs and an extended service life. Enhanced Capacity: Non-contact jet dispensing eliminates the need for Z-axis motion. Integrated temperature control technology reduces manual intervention. Automatic glue compensation minimizes artificial regulation time. Dual-track design reduces waiting time. Automatic visual location identification and compensation. Non-contact height detection with laser reduces height detection time. Flexibility: Capable of handling substrates or backings of various sizes. Optional heating module. Independent control of dual tracks with user-friendly software. Fast switching between different product lines. Universal platform suitable for various processes with different glues

I.C.T ( Dongguan Intercontinental Technology Co., Ltd. )

SnCu Based Alloy Design for Lower Copper Dissolution and Better Process Control

Technical Library | 2009-02-13 12:29:39.0

To meet the market demand for a best-in-class, low-cost leadfree alloy for wave, selective and dip soldering

Kester

Additively Manufactured mm-Wave Multichip Modules With Fully Printed "Smart" Encapsulation Structures

Technical Library | 2022-02-09 17:52:47.0

This article presents the first time that an millimeter-wave (mm-wave) multichip module (MCM) with on-demand "smart" encapsulation has been fabricated utilizing additive manufacturing technologies. RF and dc interconnects were fabricated using inkjet printing, while the encapsulation was realized using 3-D printing. Inkjet-printed interconnects feature superior RF performance, better mechanical reliability, and on-demand, low-cost fabrication process.

Georgia Institute of Technology

Solder Paste Stencil Design for Optimal QFN Yield and Reliability

Technical Library | 2015-06-11 21:20:29.0

The use of bottom terminated components (BTC) has become widespread, specifically the use of Quad Flat No-lead (QFN) packages. The small outline and low height of this package type, improved electrical and thermal performance relative to older packaging technology, and low cost make the QFN/BTC attractive for many applications.Over the past 15 years, the implementation of the QFN/BTC package has garnered a great amount of attention due to the assembly and inspection process challenges associated with the package. The difference in solder application parameters between the center pad and the perimeter pads complicates stencil design, and must be given special attention to balance the dissimilar requirements

Lockheed Martin Corporation

VOC-Free Wave Solder Flux Evaluation

Technical Library | 1999-04-26 15:51:30.0

The goal of the flux evaluation was to identify one product that would meet the needs of all SICN's wave solder products and processes while producing high quality assemblies. At the outset of the evaluation, it was unclear whether a single flux chemistry could satisfy such a broad range of demands, particularly because SICN's utilization of less aggressive, low-impact chemicals.

Siemens Process Industries and Drives

Solderable Anisotropic Conductive Adhesives for 3D Package Applications

Technical Library | 2016-01-12 11:04:35.0

3D packaging has recently become very attractive because it can provide more flexibility in device design and supply chain, reduce the gap between silicon die and organic substrate, help miniaturize devices and meet the demand of high speed, provide more memory, more function and low cost. With the advancement of 3D packaging, the bump height is now down from 80μ to 10μ. When the bump diameter is 20-40μ and height 10μ, the process and reliability are obvious issues. It is well known that underfill can enhance the reliability for regular flip chip, however underfill won’t help assembly process. In order to resolve some difficulties that 3D packaging faces, YINCAE Advanced Materials, LLC has developed solderable anisotropic conductive adhesives for 3D package applications. In this paper we will discuss the assembly process and reliability in detail.

YINCAE Advanced Materials, LLC.

Selective Soldering: A Cost-Effective Alternative to Wave Soldering

Technical Library | 2023-11-14 19:33:57.0

Wave soldering is an established technology and is commonly used where large unit volumes occur with low product variety. However, if a wave soldering machine is getting old or if technological changes or new PCB designs limits its manufacturing capabilities, consideration should be given to whether selective soldering would be a better choice. Anyone who deals with soldering through-hole and surface mount mixed-technology printed circuit assemblies will quickly discover that a selective soldering machine is not only less expensive that wave soldering, but selective soldering also offers the opportunity to meet customer requirements with significantly more flexibility. One such company is Thomas Preuhs GmbH. Located in Geislingen, Germany, Thomas Preuhs GmbH manufactures a variety of electronic assemblies for solar and HVAC data systems, automotive and white goods products as well as electric drive systems.

Nordson Corporation

Selective soldering in an optimized nitrogen atmosphere

Technical Library | 2023-11-14 19:24:08.0

In PCB circuit assemblies the trend is moving to more SMD components with finer pitch connections. The majority of the assemblies still have a small amount of through hole (THT) components. Some of them can't withstand high reflow temperatures, while others are there because of their mechanical robustness. In automotive applications these THT components are also present. Many products for cars, including steering units, radio and navigation, and air compressors also use THT technology to connect board-to-board, PCB's to metal shields or housings out of plastic or even aluminium. This is not a simple 2D plain soldering technology, as it requires handling, efficient thermal heating and handling of heavy (up to 10 kg) parts. Soldering technology becomes more 3D where connections have to be made on different levels. For this technology robots using solder wire fail because of the spattering of the flux in the wires and the long cycle time. In wave soldering using pallets the wave height is limited and pin in paste reflow is only a 2D application with space limitations.

Vitronics Soltec

Lead-free Rework Process For Chip Scale Packages

Technical Library | 2007-03-28 10:18:33.0

Legislation against the use of lead in electronics has been the driving force behind the use of lead-free solders, surface finishes, and component lead finishes. The major concern in using lead-free solders in the assembly and rework Chip Scale Packages (CSPs) is the relatively high temperatures that the components and the boards experience. Fine-pitch CSPs have very low standoff heights following assembly making inspection and rework of these components more difficult. One other concern pertinent to rework is the temperature of the neighboring components during rework. These issues, coupled with the limitations of rework equipment to handle lead-free reflow temperatures, make the task of reworking lead-free assemblies more challenging.

Universal Instruments Corporation

Common Process Defect Identification of QFN Packages

Technical Library | 2019-07-23 22:33:47.0

The Quad Flat Pack No Leads (QFN) style of leadless packaging [also known as a Land Grid Array (LGA)] is rapidly increasing in us e for wireless, automotive, telecom and many other areas becaus e of its low cost, low stand-off height and excellent thermal and electri cal properties. With the implementation of any new package type, there is always a learning curve for its use in design and processing as well as for the Process and Quality Engineers who have to get to grips with the challenges that these packages bring. Therefore, this paper will provide examples of the common process defects that can be seen with QFNs /LGAs when using optical and x-ray inspection as part of manufacturing quality control. Results of trials conducted on four PCB finishes and using vapour phase and convection reflow will be discussed.

Nordson DAGE

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