seminar on surface mount technology
DESCRIPTION
SEMINAR ON SURFACE MOUNT TECHNOLOGY. By- MARODE DNYANESHWAR D. B.E.(E&C). OUTLINE. Surface Mount Technology Role of SMT Benefits Surface Mount Devices Advantages Challenges. Surface Mount Technology. - PowerPoint PPT PresentationTRANSCRIPT
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SEMINAR ON
SURFACE MOUNT TECHNOLOGY
By-MARODE DNYANESHWAR D.
B.E.(E&C)
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OUTLINE Surface Mount Technology Role of SMT Benefits Surface Mount Devices Advantages Challenges
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Surface Mount Technology
SMT is a Technology that uses surface mount devices, which are often leadless and require small space.
Allows high-speed component mounting
and reduces PCB size. Supports Advance consumer products
( LCD color TV, video cameras & so on). Has the great advantage in portable
stereos, CD players.
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ROLE OF SMT IN ELECTRONIC WORLD
Play a predominant role to increase area efficiency & the corresponding to the system volume.
Electrical and Mechanical features are only achievable with SMT.
Small light weight portable components are mount only by using SMT.
SMT entails making reliable interconnections on the board at great speed, in the smallest possible area.
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BENEFITS OF SMT
• Reduction in package size.• Reduction in weight of product.• Noise Reduction.• Higher operating speed due to shorter
interconnections.
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COMPONENT PLACEMENT SMD’s on both sides.
SMD’s on one side & discrete components on other sides.
Randomly distributed on either sides.
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Processes used for placement of components
Screen Printing Method.
Glue Method.
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SCREEN PRINTING METHODPaste Application on
PCB by SCREEN PRINTING
Pick & Place of components by HP-180 & SP-120
Visual Inspection Manually
Reflow Process
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GLUE METHOD•Glue Application on PCB by HS-180•Pick & place of components by HP-180 & SP-120.•Visual Inspection Manually.•Reflow Process to cure Glue.•Wave Soldering Process.
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MACHINES USED
SP 120 Manufactured by SiemensIt is multi headed machinePlacement speed is 7200 components/ hourEasy to used Window based Software
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HS 180Manufactured by SiemensIt is single headed machinePlacement speed is 4200 components/hour
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CHALLENGS
Need latest TechnologyRequires well trained workerComplications
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Thank you