Question 1

The aspect ratio in microsystem technology is best defined by which one of the following:

Accepted Answer

A) degree of anisotropy in etched features 
B) height-to-width ratio of the fabricated features 
C) height-to-width ratio of the MST device 
D) length-to-width ratio of the fabricated features 
E) thickness-to-length ratio of the MST device 
A) degree of anisotropy in etched features 
B) height-to-width ratio of the fabricated features 
C) height-to-width ratio of the MST device 
D) length-to-width ratio of the fabricated features 
E) thickness-to-length ratio of the MST device B

Question 2

Bulk micromachining refers to a relatively deep wet etching process into a single-crystal silicon substrate:

Accepted Answer

A) True 
 B)False  True

Question 3

The LIGA process uses which of the following radiation forms (two best answers):

Accepted Answer

A) electron beam radiation 
B) infrared light 
C) ion beams 
D) ultraviolet light 
E) X-ray radiation 
A) electron beam radiation 
B) infrared light 
C) ion beams 
D) ultraviolet light 
E) X-ray radiation C , E

Question 4

Photofabrication is the same process as photolithography.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following forms of radiation have wavelengths shorter than the wavelength of ultraviolet light used in photolithography (two correct answers):

Accepted Answer

A) electron beam radiation 
B) infrared light 
C) natural light 
D) X-ray radiation 
A) electron beam radiation 
B) infrared light 
C) natural light 
D) X-ray radiation

Question 6

Soft lithography refers to processes that use an elastomeric flat mold (similar to a rubber stamp) to create a pattern on a substrate surface:

Accepted Answer

A) True 
 B)False

Question 7

The most common work material used in microsystem technology is which one of the following:

Accepted Answer

A) boron 
B) gold 
C) nickel 
D) potassium hydroxide 
E) silicon 
A) boron 
B) gold 
C) nickel 
D) potassium hydroxide 
E) silicon

Question 8

Surface micromachining refers to a relatively shallow layering process in the silicon substrate:

Accepted Answer

A) True 
 B)False

Question 9

Microsystem technology is concerned with products and product components whose feature sizes are measured in microns.A micron is equal to which one of the following:

Accepted Answer

A) 10-2 cm 
B) 10-3 cm 
C) 10-4 cm 
D) 10-5 cm 
E) 10-6 cm 
A) 10-2 cm 
B) 10-3 cm 
C) 10-4 cm 
D) 10-5 cm 
E) 10-6 cm

Question 10

In the LIGA process, the letters LIGA stand for which one of the following:

Accepted Answer

A) let it go already 
B) little grinding apparatus 
C) lithographic applications 
D) lithography, electrodeposition, and plastic molding 
E) lithography grinding and alteration 
A) let it go already 
B) little grinding apparatus 
C) lithographic applications 
D) lithography, electrodeposition, and plastic molding 
E) lithography grinding and alteration

Question 11

Which of the following are current applications of microsensor technology in modern automobiles (three best answers):

Accepted Answer

A) air-bag release sensors 
B) alcohol blood level sensors 
C) driver identification sensors for theft prevention 
D) oil pressure sensors 
E) temperature sensors for cabin climate control 
A) air-bag release sensors 
B) alcohol blood level sensors 
C) driver identification sensors for theft prevention 
D) oil pressure sensors 
E) temperature sensors for cabin climate control

Question 12

The polymer used to make compact discs (CDs) and digital versatile discs (DVDs) is which one of the following:

Accepted Answer

A) amino resin 
B) epoxy resin 
C) polyamides 
D) polycarbonate 
E) polyethylene
F)polypropylene 
A) amino resin 
B) epoxy resin 
C) polyamides 
D) polycarbonate 
E) polyethylene
F)polypropylene

Exam 32: Microfabrication Technologies

The aspect ratio in microsystem technology is best defined by which one of the following:

Bulk micromachining refers to a relatively deep wet etching process into a single-crystal silicon substrate:

The LIGA process uses which of the following radiation forms (two best answers):

Photofabrication is the same process as photolithography.

Which of the following forms of radiation have wavelengths shorter than the wavelength of ultraviolet light used in photolithography (two correct answers):

Soft lithography refers to processes that use an elastomeric flat mold (similar to a rubber stamp) to create a pattern on a substrate surface:

The most common work material used in microsystem technology is which one of the following:

Surface micromachining refers to a relatively shallow layering process in the silicon substrate:

Microsystem technology is concerned with products and product components whose feature sizes are measured in microns.A micron is equal to which one of the following:

In the LIGA process, the letters LIGA stand for which one of the following:

Which of the following are current applications of microsensor technology in modern automobiles (three best answers):

The polymer used to make compact discs (CDs) and digital versatile discs (DVDs) is which one of the following:

Introduction and Overview of Manufacturing

The Nature of Materials

Mechanical Properties of Materials

Physical Properties of Materials

Engineering Materials

Dimensions, Surfaces, and Their Measurement

Fundamentals of Metal Casting

Metal Casting Processes

Glassworking

Shaping Processes for Plastics

Processing of Polymer Matrix Composites and Rubber

Powder Metallurgy

Processing of Ceramics and Cermets

Fundamentals of Metal Forming

Bulk Deformation Processes in Metal Workiing

Sheet Metalworking

Theory of Metal Machining

Machining Operations and Machine Tools

Cutting Tool Technology

Economic and Product Design Considerations

Grinding and Other Abrasive Processes

Nontraditional Machining and Thermal Cutting

Heat Treatment of Metals

Surface Processing Operations

Fundamentals of Welding

Welding Processes

Brazing, Soldering, and Adhesive Bonding

Mechanical Assembly

Rapid Prototyping and Additive Manufacturing

Processing of Integrated Circuits

Electronics Assembly and Packaging

Nanofabrication Technologies

Automation Technologies for Manufacturing Systems

Integrated Manufacturing Systems

Process Planning and Production Control

Quality Control and Inspection

Filters