Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 29, Problem 9RQ
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What is a sacrificial layer?
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Chapter 29 Solutions
Manufacturing Engineering & Technology
Ch. 29 - Define MEMS, SIMPLE, SCREAM, and HEXSIL.Ch. 29 - Give three examples of common...Ch. 29 - Why is silicon often used with MEMS devices?Ch. 29 - Describe bulk and surface micromachining.Ch. 29 - What is the purpose of a spacer layer in...Ch. 29 - What is the main limitation to successful...Ch. 29 - What are common applications for MEMS andMEMS...Ch. 29 - Prob. 8RQCh. 29 - Prob. 9RQCh. 29 - Explain the differences between stereolithography...
Ch. 29 - What is MolTun? What are its main advantages?Ch. 29 - What is HEXSIL?Ch. 29 - What do SIMPLE and SCREAM stand for?Ch. 29 - Describe the difference between isotropic etching...Ch. 29 - Lithography produces projected shapes, so true...Ch. 29 - Which process or processes in this chapter allow...Ch. 29 - What is the difference between chemically reactive...Ch. 29 - The MEMS devices discussed in this chapter are...Ch. 29 - Explain how you would produce a spur gear if...Ch. 29 - Prob. 20QLPCh. 29 - Prob. 21QLPCh. 29 - Prob. 22QLPCh. 29 - Is there an advantage to using the MolTun process...Ch. 29 - The atomic-force microscope probe shown inFig....Ch. 29 - Estimate the natural frequency of the cantilever...Ch. 29 - Using data from Chapter 28, derive the time needed...Ch. 29 - It is desired to produce a 500 m by 500...Ch. 29 - If the Reynolds number for water flow through a...Ch. 29 - Prob. 30SDPCh. 29 - Prob. 31SDPCh. 29 - Prob. 32SDPCh. 29 - Design a micromachine or device that allows the...Ch. 29 - Conduct a literature search and determine the...Ch. 29 - Perform a literature search and write a...
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- A package of frozen fish sticks have different instructions when they are heated up on the stove as compared to using the oven. Stove: Heat over medium flame for 2 minutes. Then flip the fish sticks (turn them over) and heat them for another two minutes. Oven: Preheat the oven to 375 F. Put them on a metal baking sheet for 15 minutes. a. Explain why the instructions have you flip the fish sticks over when you’re heating them with the stove, but not with the oven. b. If you follow the oven instructions, the side of the fish sticks touching the metal baking sheet will cook more than the top side of the fish sticks. Explain why.arrow_forwardWhat are Columns ?arrow_forwardWhen are the thin-walled tubes of the noncircular cross-section often used to construct?arrow_forward
- Your solution must contain an explanation and diagram. (Diagram mandatory)arrow_forwardQuestion : Calculate the heating time when four such boards are stacked together. Note 1: Don’t use Heissler charts to answer this question. Note 2: You’re free to make assumptions regarding any value you think you need in order to solve the problem. Just explain your reasoning behind your assumption in a logical manner. Note3: please explain clearly and step by steparrow_forward2. Sharp notches are often added to plastic food packages to help open them (along with arrows indicating where they should be torn). Why do they do this, and why is it sometimes very hard to open them without this notch? Would it be harder or easier to open with a semi-circular notch and why? YY (ENISH) TOMATO 10 ATE TOMATE CONCENTRATE FRO NUSARY Heinsarrow_forward
- describe and explain each steparrow_forwardWhat is areal velocity?arrow_forwardBased on the table below, which of the statements below is/are correct regarding the 3D printing process shown in the schematic? Z AXIS X AXIS YAXIS LEGEND A: Extruder B: Nozzle C: Printed part D: Hot plate E: Filament Table 15.2 Melting and Glass Transition Temperatures for Some of the More Common Polymeric Materials Material Polyethylene (low density) Polytetrafluoroethylene Polyethylene (high density) Polypropylene Nylon 6,6 Polyester (PET) Poly(vinyl chloride) Polystyrene Polycarbonate Glass Transition Temperature [°C (°F)] -110 (-165) -97 (-140) -90 (-130) -18 (0) 57 (135) 69 (155) 87 (190) 100 (212) 150 (300) Melting Temperature [°C (°F)] 115 (240) 327 (620) 137 (279) 175 (347) 265 (510) 265 (510) 212 (415) 240 (465) 265 (510) a. This process is best suited for the low volume production of tubes, bars and beams due to the nature of the extrusion process b. Manufacturing a thermoplastic HDPE hose with an extrusion nozzle heated to 175C is possible with this process □c. You can…arrow_forward
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