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Stacked Chip Scale Packages SCSP Intern Job

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Company - Medtronic
Location -  Tempe, Arizona  US  
Job Code - 80724
Position - Intern
Job First Active on: Wednesday, January 18, 2012

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Stacked Chip Scale Packages (SCSP) Intern

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Position Description

2nd Level Interconnect Flux Dipped Assembly of Reduced
Bump Height Stacked Chip Scale Packages (SCSP)
on thin substrates (i.e. Injectable Reveal / PLPS) supported
with Integral Dam Stiffener (IDS) frames

Position Responsibilities

Assignment Objective(s): Development of SCSP 2nd Level Interconnect Assembly Attach Process under the following constraints:
• Thin (< 0.020”) PWB as used on Injectable Reveal / PLPS
• SCSP bump diameter = 200µm as used on Injectable Reveal / PLPS
• IDS board support in lieu of thicker PWB core
Flux dipping of SCSP to replace solder paste printing due to process restrictions caused by IDS frame

Project Description (e.g., Cognition Cockpit Simulation Use)
Responsible for the Development of SCSP 2nd Level
Interconnect Assembly Attach Process with reduced
bump heights on thin PWB’s using IDS frames

Deliverables: • Work with SCSP component engineer to:
o Become familiar with the SCSP package feature(s) and PWB specification limits and tolerances
o Measure and Analyze actual SCSP component package feature and PWB dimensions and variation with primary focus on SCSP bump height and coplanarity and PWB flatness
o
• Work with Pick and Place Process Engineer to:
o Obtain a basic understanding of the pick and place equipment and process
o Understand PWB board handling and clamping process and associated equipment hardware and tooling design and limitations
o Measure and Analyze current flux dip process capability based on current tooling sets (ie.flux plates) available

• Provide SCSP package and PWB specification & tolerance limits and process recommendations
o Take into consideration the interaction between the coplanarity of the SCSP and the PWB
o Define flux film thickness specification limits and tolerances
o Create applicable design rules

Basic Qualifications

Prerequisites/Skills Needed to
be Successful:
Engineering student – preferably majoring in
Mechanical Engineerin

Skills Gained/Developed
• Hands on experience with 6-Sigma Methodologies (DMAIC, GR&R, etc.)
• SMT / DCA Manufacturing Process experience
• Process Development
• Hands on with Automated Equipment
• Capability analysis
• Drawing dimensioning and tolerance
Documentation / Reporting (ie. ETR, EQDMS, etc.)

Desired/Preferred Qualifications

Physical Job Requirements


REQUIREMENTS - QUALIFICATIONS: Stacked Chip Scale Packages (SCSP) Intern

See information above

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