New SMT Equipment: lga pad (1)

BGA Rework Services

BGA Rework Services

New Equipment | Rework & Repair Services

BGA Rework Services Offered  BGA Remove and Placement Level Three Pad Repair Wire Add Trace Repair BGA Re-Balling BGA Inspection We Rework PBGA (Plastic Ball Grid Array) TBGA (Tape Ball Grid Array) uBGA (Micro BGA) CCGA (Ceramic Colum

Precision PCB Services, Inc

Electronics Forum: lga pad (86)

LGA voiding

Electronics Forum | Thu Jan 02 22:09:15 EST 2020 | Zack

Hello, Can you give more detail on LGA parts in question? is 50 mm x 50 mm is overall size of the parts? What about pad pitch and how big is the pads individually? I assume that 50x50 mm is overall size. How about the stencil opening for the LGA pad

QFN84 Solder Printing Issue (QFN with Inner LGA Pad)

Electronics Forum | Mon Dec 04 15:23:31 EST 2017 | kojotssss

A new stencil has been purchased. to be continued.

Industry News: lga pad (25)

IPC Invites Industry Leaders to Submit Poster Abstracts for IPC APEX EXPO 2017 in San Diego

Industry News | 2016-09-22 17:27:09.0

IPC — Association Connecting Electronics Industries® invites researchers, technical experts and industry leaders to submit abstracts for poster presentations at IPC APEX EXPO®, the industry’s premier conference and exhibition for printed board design and manufacturing, electronics assembly and test. Poster presentations are scheduled for Wednesday, February 15, 2017, and will be displayed throughout the event, offering additional visibility.

Association Connecting Electronics Industries (IPC)

IPC Invites Industry Leaders to Submit Poster Abstracts for IPC APEX EXPO 2018 in San Diego

Industry News | 2017-09-19 17:02:13.0

IPC — Association Connecting Electronics Industries® invites researchers, technical experts and industry leaders to submit abstracts for poster presentations at IPC APEX EXPO®, the industry’s premier conference and exhibition for printed board design and manufacturing, electronics assembly and test. Poster presentations are scheduled for Wednesday, February 28, 2018, and will be displayed throughout the event, offering additional visibility.

Association Connecting Electronics Industries (IPC)

Parts & Supplies: lga pad (1)

Panasonic  BELT 030AC181821

Panasonic BELT 030AC181821

Parts & Supplies | SMT Equipment

We also supply following Panasonic Spare parts : KXFB02GBC06 FRAME KXFB05CGA01 BOLT N210009258AA PLATE KXFB02GJA00 BLOCK KXFB02GKA00 BLOCK N210018293AA COVER N210018294AA COVER N210018299AA COVER KXFB02NSA00 BRACKET KXFB02NVA00 DOG KXFB02

Qinyi Electronics Co.,Ltd

Technical Library: lga pad (2)

Reliability of ENEPIG by Sequential Thermal Cycling and Aging

Technical Library | 2019-04-17 21:29:14.0

Electroless nickel electroless palladium immersion gold (ENEPIG) surface finish for printed circuit board (PCB) has now become a key surface finish that is used for both tin-lead and lead-free solder assemblies. This paper presents the reliability of land grid array (LGA) component packages with 1156 pads assembled with tin-lead solder onto PCBs with an ENEPIG finish and then subjected to thermal cycling and then isothermal aging.

Jet Propulsion Laboratory

Reliability Study of Bottom Terminated Components

Technical Library | 2015-07-14 13:19:10.0

Bottom terminated components (BTC) are leadless components where terminations are protectively plated on the underside of the package. They are all slightly different and have different names, such as QFN (quad flat no lead), DFN (dual flat no lead), LGA (land grid array) and MLF (micro lead-frame. BTC assembly has increased rapidly in recent years. This type of package is attractive due to its low cost and good performance like improved signal speeds and enhanced thermal performance. However, bottom terminated components do not have any leads to absorb the stress and strain on the solder joints. It relies on the correct amount of solder deposited during the assembly process for having a good solder joint quality and reliable reliability. Voiding is typically seen on the BTC solder joint, especially on the thermal pad of the component. Voiding creates a major concern on BTC component’s solder joint reliability. There is no current industry standard on the voiding criteria for bottom terminated component. The impact of voiding on solder joint reliability and the impact of voiding on the heat transfer characteristics at BTC component are not well understood. This paper will present some data to address these concerns.

Flex (Flextronics International)

Videos: lga pad (1)

QFN Rework Using Polyimide Stencil

QFN Rework Using Polyimide Stencil

Videos

Video demonstrates easy to use leadless device rework process using polyimide stencil. This is the process described in IPC 7711/21 Procedure 5.8.1.1. and 5.8.1.2. For More Information Visit Our Site: http://www.solder.net/services/qfn-rework For

BEST Inc.

Training Courses: lga pad (3)

BGA Rework Process Implementation

Training Courses | | | PCB Rework and Hand Soldering Courses

The PCB rework and hand soldering courses courses cover techniques of rework and repair of PCBs, BGAs and other electronics assemblies, and teach fundamentals of soldering of electronics assemblies.

Precision PCB Services, Inc

BGA Rework Process Implementation

Training Courses | | | PCB Rework and Hand Soldering Courses

The PCB rework and hand soldering courses courses cover techniques of rework and repair of PCBs, BGAs and other electronics assemblies, and teach fundamentals of soldering of electronics assemblies.

Precision PCB Services, Inc

Express Newsletter: lga pad (231)

Partner Websites: lga pad (201)

BGA Rework Training and Certification – Precision PCB Services, Inc.

Precision PCB Services, Inc | https://precision-pcb-services-inc.com/products/bga-rework-training

.  The lateses processes, materials, equipment and techniques for rework of BGA, QFN, LGA, PoP and other SMD components. Key Topics Include: A review of the parameters for establishing a safe thermal profile

Precision PCB Services, Inc

S3X58-M650-7 - 600 gm - PCBASupplies

| https://pcbasupplies.com/s3x58-m650-7-600gm/

residue over the solder joint, which helps the testing probe to get the accurate readings to improve the first pass rate. Resistance between Probe and PCB Superior wetting ability prevents voiding For smaller components such as QFNs, micro BGA and LGA, bigger voids could occupy majority of the pad area thus creating a


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