Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 28, Problem 29QTP
To determine
A certain wafer manufacturer produces two equal sized wafers, one containing
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A siilicon boule has been processed through grinding to provide a cylinder whose diameter = 281 mm and whose length = 899 mm. Next, it will be sliced into wafers 0.8 mm thick using a cut-off saw with a kerf = 0.5 mm. The wafer thus produced will be used to fabricate as many IC chips as possible for the personal computer market. Each IC has a market value to the company of $108. Each chip is square with 17 mm on a side. The processable area of each wafer is defined by a diameter = 265 mm. Estimate the value of all of the IC chips that could be produced (in $), asssuming an overall yield of 84% good product.
what is gross error? how to eliminate it gross errors?
Five engineers measure the thickness of a slab using a meter stick and a vernier caliper. One engineer got a thickness of 4.3 cm ± 0.1 cm using a meter stick, the other four engineers measured a thickness of (a) 4.32 cm ± 0.01 cm, (b) 4.31 cm ± 0.01 cm, (c) 4.24 cm ± 0.01 cm, and (d) 4.43 cm ± 0.01 cm respectively using the caliper. Which of these four measurements made by the four engineers agree with the measurement obtained by the engineer that used a meter stick?
Only a
(b) and (c)
(c) and (d)
(a), (b), and (c)
none of these
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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- two cylinders are printed on a 3d printer, with a setting of 40% fill rate. This means that the solid parts of the cylinders at 40% plastic material. Given this, tell me how much plastic material is used to make each of these cylinders. I measured both cylinders in meters and these are the measurements below A) Cylinder 1- Height: 0.042m Radius 2(outer radius): 0.008m Radius 1(inner radius): 0.006m B) Cylinder 2 Height: 0.022m Radius 2(outer radius): 0.008m Radius 1(inner radius): 0.006marrow_forwardDye penetrant inspection, eddy-current testing, and radiographic testing are examples of NDT techniques. What is NDT?arrow_forwardWhat is the tolerance zone (and Material Boundary) for a non-cylindrical feature such as a slot or groove?arrow_forward
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