DeGarmo's Materials and Processes in Manufacturing
12th Edition
ISBN: 9781118987674
Author: J. T. Black, Ronald A. Kohser
Publisher: WILEY
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Textbook Question
Chapter 29, Problem 27RQ
Why is projection printing equipment called a "stepper?"
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Multiple-Choice Questions
In 4D printing, what is the fourth dimension?
A. Space
B. Movement
C. Time
D. Material
What inspired the team at the MIT self-assembly lab to conceive the Autonomous
Mass Assembly concept?
A. The natural growth of viruses
B. Japanese architecture
C.
Islamic patterns in traditional ornaments
D. The movie "Avatar"
Which of the following are possible applications of 4D printing? Select all correct
answers.
A. Smart water pipes
B. Self-assembled structures
C. Ready-made electronic devices
D. Superior sound systems
What activating energies are used in the 4D products presented in the lesson?
A. Heat
B. Water
C. Microwave
D. Sound-waves
Discharge Printing is an additive process.
Group of answer choices
True
False
Compare an orthographic projection (mechanical drawing) to a pictorial drawing.
Chapter 29 Solutions
DeGarmo's Materials and Processes in Manufacturing
Ch. 29 - Over the latter half of the 20th century, what...Ch. 29 - What was the major motivation for developing...Ch. 29 - Prob. 3RQCh. 29 - What is an example of a device feature that is...Ch. 29 - What type of manufacturing technology dominates...Ch. 29 - Name the four categories of miniature systems...Ch. 29 - Give two differences between lab-on-a-chip and...Ch. 29 - What is a scaling law?Ch. 29 - As the primary dimensions of an object decrease,...Ch. 29 - In the design of a water heater, the mean time...
Ch. 29 - Prob. 11RQCh. 29 - Name two conventional manufacturing processes that...Ch. 29 - Prob. 13RQCh. 29 - Why does breadth of scale of a product have an...Ch. 29 - What is the most complicated, expensive, and...Ch. 29 - Name three purposes that a resist mask can play.Ch. 29 - Name four key lithography methods.Ch. 29 - Name two through-mask lithography techniques.Ch. 29 - Name two direct-write lithography techniques.Ch. 29 - List the sequence of steps involved in...Ch. 29 - Of the two major classifications of photoresists,...Ch. 29 - List four requirements of a photoresist.Ch. 29 - What limits the resolution of a photoresist?Ch. 29 - What is meant by resist sensitivity?Ch. 29 - What is one requirement that contributes to the...Ch. 29 - List the three types of exposure methods used in...Ch. 29 - Why is projection printing equipment called a...Ch. 29 - What are typical materials etched during...Ch. 29 - What is etch bias?Ch. 29 - Prob. 30RQCh. 29 - What are some possible defects that can result...Ch. 29 - What are some possible defects that can result...Ch. 29 - List and describe two properties of etchants.Ch. 29 - What is etch anisotropy dependent upon?Ch. 29 - What is the difference between wet and dry?...Ch. 29 - What is dry etching?Ch. 29 - What are the three main categories of dry etching...Ch. 29 - What is the difference between plasma etching and...Ch. 29 - What is deep reactive ion etching?Ch. 29 - What is a benefit of using UV lasers to machine...Ch. 29 - Which type of non-lithographic micromachining...Ch. 29 - What are thin films?Ch. 29 - A) What is the difference between solution...Ch. 29 - What are the two broad categories of vapor...Ch. 29 - List two different types of physical vapor...Ch. 29 - List two advantages of sputtering over...Ch. 29 - What is meant by step coverage with regards to...Ch. 29 - Why is step coverage important?Ch. 29 - Prob. 49RQCh. 29 - What does gettering mean in relation to wafer...Ch. 29 - How are undesirable gas-phase reactions controlled...Ch. 29 - What is the key difference in the reactor designs...Ch. 29 - What are the two types of LPCVD reactor designs?...Ch. 29 - In metallization, what is the difference between a...Ch. 29 - What is the advantage of using plasma-enhanced on...Ch. 29 - A) What is epitaxy? B) is it important for...Ch. 29 - Name four techniques for solution deposition onto...Ch. 29 - Name four roll-to-roll processing techniques for...Ch. 29 - What is a semiconductor?Ch. 29 - Name three common semiconductor materials.Ch. 29 - Give three reasons why silicon is the most popular...Ch. 29 - Prob. 62RQCh. 29 - What is a silicon boule?Ch. 29 - Prob. 64RQCh. 29 - What are some geometric concerns involved with...Ch. 29 - What is meant by the term doping?Ch. 29 - What is the difference between n�type and...Ch. 29 - Name three methods for doping a silicon wafer.Ch. 29 - Prob. 69RQCh. 29 - Prob. 70RQCh. 29 - Prob. 71RQCh. 29 - Why are rapid thermal processing technologies...Ch. 29 - What are two ways in which silicon dioxide is...Ch. 29 - Give two reasons why wet oxidation is better...Ch. 29 - What is a p�n junction? \What can it be used...Ch. 29 - Prob. 76RQCh. 29 - Assuming an n�doped substrate is clean, list the...Ch. 29 - What is planarization and why is it needed?Ch. 29 - What is meant by the term ULSI?Ch. 29 - In general, what technological breakthroughs were...Ch. 29 - What drives the increase in component density and...Ch. 29 - Why are clean rooms so important to...Ch. 29 - What is the advantage of electron microscopy over...Ch. 29 - What is the collective advantage of...Ch. 29 - Why do samples analyzed in an electron microscopes...Ch. 29 - What are two differences between a scanning...Ch. 29 - What is important about a dual�beam focused ion...Ch. 29 - Why is white light normally preferred for...Ch. 29 - What is one advantage of an atomic force...Ch. 29 - What is the breadth of scale of an automotive...Ch. 29 - What is the breadth of scale of a computer...Ch. 29 - Which has a larger breadth of scale, the...Ch. 29 - Prob. 4PCh. 29 - A piece of silicon has an integrated resistor...
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- Which of the following are achieved by post printing processing? Select all correct answers. A. Smoother feel B. Higher durability C. Antimicrobial resistance D. Color What is the reason most 3D printed products do not have a smooth finish after coming out of the printer's tray? A. Printing file size and model resolution B. The layering fabrication method C. The material attributes D. The interaction with support materials Which of the following are post processes that can be applied on 3D printed objects? A. Sand paper polishing B. Lacquering C. Metal coating D. Thermal treatment What does Distress and Patina post processing aim to achieve? A. Product smoothness B. Product sturdiness C. Glossy finishing D. Antique/vintage look and feelarrow_forwardDescribe the function of print heads in inkjet printers and how they contribute to print quality.arrow_forwardDiscuss the various types of paper feed mechanisms used in printers, such as friction feed and vacuum feed.arrow_forward
- Because of the use of a flexible printing pad, the ______ process is especially useful for decorating irregular surfaces.arrow_forwardDiscuss the importance of print resolution and its impact on print quality.arrow_forwardCan you provide an explanation of the problems that may occur with SLA printed parts and offer suggestions on how to prevent them? b)arrow_forward
- Discuss the various types of paper feed mechanisms used in modern printers and their significance.arrow_forward(5) Please briefly describe the key advantages and disadvantages of an inkjet printing system compared to a nozzle based Direct Ink Writing system.arrow_forwardWhat is a Digital display device? Write any two examples of Digital display device.arrow_forward
- What are some examples of perpetual motion machines that people have reported to have built or tried to build?arrow_forwardWhat are the key factors to consider when selecting the appropriate print resolution for a specific printing task?arrow_forwardWhich statement is right : In photolithography, the mask is essential. Without the mask, photolithography can be finished. positive photoresist will stay on the substrate after UV exposure and subsequent development negative photoresist will be dissolved after UV exposure and subsequent development A 1000-level cleanroom is much better than a 10-level one chrome mask is better than a film maskarrow_forward
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