Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 28, Problem 34QTP
If a square mask of side length 100 μm is placed on a {100} plane and oriented with a side in the
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Chemical milling is used in an aircraft plant to create pockets in wing sections made of an aluminum alloy. The starting thickness of one workpart of interest is 20 mm. A series of rectangular-shaped pockets 12 mm deep are to be etched with dimensions 200 mm by 400 mm. The corners of each rectangle are radiused to 15 mm. The part is an aluminum alloy and the etchant is NaOH. Use Tables in your textbook to determine the penetration rate and etch factor for this combination. Determine (a) metal removal rate in mm3/min, (b) time required to etch to the specified depth, and (c) required dimensions of the opening in the cut and peel maskant to achieve the desired pocket size on the part.
For a given 40 cm diameter wafer, and a die that is 1.5 cm x 2 cm, determine the cost of a die. Wafer cost is $5800, wafer yield is 100%, and defects per unit area is 0.09/sq. cm.
Chapter 28 Solutions
Manufacturing Engineering & Technology
Ch. 28 - Define the terms wafer, chip, die, device,...Ch. 28 - Why is silicon the semiconductor most used in...Ch. 28 - What do the abbreviations BJT, MOSFET, VLSI,...Ch. 28 - Prob. 4RQCh. 28 - Prob. 5RQCh. 28 - What are the purposes of prebaking and...Ch. 28 - Define selectivity and isotropy, and their...Ch. 28 - Prob. 8RQCh. 28 - Prob. 9RQCh. 28 - What are the levels of interconnection?
Ch. 28 - Which is cleaner, a Class-10 or a Class-1 clean...Ch. 28 - Prob. 12RQCh. 28 - What is a via? Why is it important?Ch. 28 - Describe how electrical connections are...Ch. 28 - Prob. 15RQCh. 28 - Prob. 16RQCh. 28 - Comment on your observations regarding the...Ch. 28 - Describe how n-type and p-type dopants differ.Ch. 28 - Prob. 19QLPCh. 28 - How is epitaxy different from other techniques...Ch. 28 - Note that, in a horizontal epitaxial reactor...Ch. 28 - The table that follows describes three...Ch. 28 - Prob. 23QLPCh. 28 - What is accelerated life testing? Why is it...Ch. 28 - Explain the difference between a die, a chip, anda...Ch. 28 - A common problem in ion implantation is...Ch. 28 - Examine the hole profiles shown in Fig. P28.27...Ch. 28 - Referring to Fig. 28.24, sketch the shape of the...Ch. 28 - Prob. 29QTPCh. 28 - Prob. 30QTPCh. 28 - Prob. 31QTPCh. 28 - A certain design rule calls for metal lines to be...Ch. 28 - Prob. 33QTPCh. 28 - If a square mask of side length 100 m is placed on...Ch. 28 - Obtain an expression for the width of the trench...Ch. 28 - Prob. 36SDPCh. 28 - Inspect various electronic and computer equipment,...Ch. 28 - Describe your understanding of the important...Ch. 28 - Make a survey of the necessity for clean rooms in...Ch. 28 - Prob. 40SDPCh. 28 - Prob. 41SDPCh. 28 - Estimate the time required to etch a spur gear...Ch. 28 - Prob. 43SDPCh. 28 - Review the specific devices, shown in Fig. V.2....
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- Plz solve it within half n hour and plz hand written..... I'll give you multiple upvote hand written plz..... Plz solve 1 hour...arrow_forwardWrite in detail following terminologies according to wafer fabrication processes: a. Diffusion and Ion Implantation b. Metallization c. Etchingarrow_forwardThe figure shown below is a front and side view drawing of a mechanical product, which is manufactured by workshop machining: (dimensions are in mm) 1. Draw a sketch (free-hand drawing) of 3-D isometric of this product? 2. Suggest ( (explain why you select it based on other alternatives) 3. Can you suggest what is the name of this product and where it can be used? Select a suitable material for this product and why? 4. Develop a suitable GT code based on Opitz code and explain it? 5. Read the tolerance on the figure? And explain what is 3-2-1 datum system based on the figure a suitable design software program for this product, and justify your selection? below? 6. Explain – in details – the required process planning for machining this product 7. What engineering analysis is required for this product? Explain in details? 8. write a CNC program for machining this product? 9. Select –with details- the suitable inspection program for testing the geometry of this product? 4X 3.1-3.2 +0.2 AB…arrow_forward
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