Lithography

Which of the following lithography process does not use PMMA as the resist?

• X-Ray Lithography

• Electron Beam Lithography

• Optical Lithography

• Ion Beam Lithography

The light that used in optical lithography printing is:

• X-ray light

• Ultraviolet light

• Gamma rays light

• Laser light

Which of the following is NOT the exposure method in optical lithography?

• Contact Printing

• Proximity Printing

• Projection Printing

• Pressure Printing

Which of the following are the two sources of light for X-Ray Lithography?

• Electron Impact

• Synchrotron

• Thermionic Emitters

• Photon Emitters

• Field Emitters

Which of the process below can be performed without using a mask?

• Photolithography

• Electron beam lithography

• Ion beam lithography

• X-Ray lithography

Below are the non ideal effect of electron beam lithography EXCEPT:

• Stitching

• Backscattering

• Proximity effect

• Thin lens

This picture showing the process of the light sourcing for Ion Beam Lithography. The name of the process is:

• Gas discharge ion

• Liquid metal ion

• Synchrotron

• Electron impact

This picture showing the stitching problem. What is the cause for this type of stitching ?

• Over exposure

• Under exposure

• Shear error

• Proximity contact