Test Your Knowledge About Trumark Laser Marking Product! Trivia Quiz

24 Questions | By Trumark | Updated: Mar 14, 2022 | Attempts: 119

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Test Your Knowledge About Trumark Laser Marking Product! Trivia Quiz - Quiz

Do you want to take a trivia quiz to test your knowledge about the Trumark laser marking product? This way of laser marking is used by a lot of companies that want their logos to stay on for longer. It is important to know how to operate the machine in order to come up with the best result. Do give the quiz a try!

Questions and Answers

1.

If only the parameter 'velocity' is increased, what will definitely happen?
- A.
  
  Less pulse overlap
- B.
  
  Better contrast
- C.
  
  Slower mark time
- D.
  
  Velocity does not affect the laser mark at all
2.

The laser process of foaming is a __?
- A.
  
  Layer of oxide produced on the substrate surface to change the materials color
- B.
  
  Raised surface of gas bubbles trapped in plastic
- C.
  
  Removal of a coating off a substrate
- D.
  
  Vaporization and melting of material to result in a trench
3.

Laser marking with solid-state lasers is typically done with __?
- A.
  
  Cw laser (continuous lasers)
- B.
  
  Laser with more than 100W average power
- C.
  
  Q-switched (pulsed) lasers
- D.
  
  The same lasers used for cutting and welding
4.

What percentage of polymers produced worldwide are thermoplastics?
- A.
  
  10%
- B.
  
  45%
- C.
  
  67%
- D.
  
  85%
5.

For high power densities one need __?
- A.
  
  High laser power and small laser spot
- B.
  
  Working with a defocused laser spot
- C.
  
  Good pulse-to-pulse stability
- D.
  
  All lases have the same power density
6.

Laser marking of plastics with 355nm wavelength is often referred to as __?
- A.
  
  Thermal penetration
- B.
  
  Cold marking
- C.
  
  Photonic bleaching
- D.
  
  Laser etching
7.

What does always happen when a laser beam hits a material surface?
- A.
  
  Melting and vaporizing
- B.
  
  Bubbling, foaming, and escaping of gasses
- C.
  
  Reflection, absorption and transmission
- D.
  
  Engraving
8.

Which of the following materials can be annealed?
- A.
  
  Aluminum
- B.
  
  Copper
- C.
  
  Silver
- D.
  
  Steel
9.

On a YAG laser as the pulse frequency increases, the __?
- A.
  
  Average laser power increases
- B.
  
  Average laser power decreases
- C.
  
  The pulse peak power increases
- D.
  
  TruMark makes a high pitch noise
10.

In which of the following laser marking process material is removed?
- A.
  
  Annealing
- B.
  
  Ablation
- C.
  
  Color change
- D.
  
  Tempering
11.

Out of the TruMark product portfolio, which machine has generally the highest engraving rate?
- A.
  
  TruMark 6020
- B.
  
  TruMark 6130
- C.
  
  TruMark 5020
- D.
  
  TruMark 3020
12.

A thermoplastic is a polymer that when exposed to a heat source ...
- A.
  
  Irreversibly changes its form
- B.
  
  Melts but never re-hardens
- C.
  
  Vaporizes and leaves a lot of smoke
- D.
  
  Softens and returns to its original form when cooled
13.

Which of the following statement is correct?
- A.
  
  355nm is always best for marking of plastics
- B.
  
  532nm can only be used on semiconductor material
- C.
  
  1,062nm (Ytterbium) is generally better suited for metals than 1,064nm (Nd-YAG)
- D.
  
  1,064nm is the most versatile wavelength for laser marking
14.

Annealing of metal is usually performed with a quasi-cw frequency. Compared to engraving it __?
- A.
  
  Has a deeper thermal distribution
- B.
  
  Has a more shallow heat distribution
- C.
  
  Removes material better
- D.
  
  Marks faster
15.

The Vanadate laser is usually recommended for day/night design due to its __?
- A.
  
  1,064nm wavelength
- B.
  
  Superior pulse-to-pulse stability
- C.
  
  Better absorption properties
- D.
  
  High heat penetration
16.

On a given application a customer wants to increase engraving depths with his laser marker. What does he have to expect?
- A.
  
  Less contrast
- B.
  
  Longer mark time
- C.
  
  Just changing the laser parameter 'engraving depth' in TruTops Mark
- D.
  
  Switching the wave length
17.

What is the most often used laser marking process for anodized Aluminum?
- A.
  
  Annealing
- B.
  
  Color change
- C.
  
  Ablation
- D.
  
  Foaming
18.

For some plastics a UV laser is advantageous. Why?
- A.
  
  Plastics evaporate better with a UV laser
- B.
  
  Reflection of 355nm is less than of a 1,064nm laser
- C.
  
  Plastics are designed to be marked with a UV laser
- D.
  
  Absorption of 355nm wavelength is higher than 1,064nm
19.

Which of the following statement is correct?
- A.
  
  In ablation only the top layer is removed
- B.
  
  In ablation no material is removed
- C.
  
  In engraving the depths of marking is limited to the optical penetration depth
- D.
  
  Engraving and ablation are the same processes
20.

What material is well suited to be marked with a TruMark 3020?
- A.
  
  Concrete
- B.
  
  17-4 steel
- C.
  
  Wood
- D.
  
  Paper
21.

What is 'Laser Etching'?
- A.
  
  Laser assisted chemical etching
- B.
  
  Combined process of engaving and etching
- C.
  
  The term 'Laser etching' is not a defined laser process and the term should not be used
- D.
  
  Foaming
22.

Which application is not well suited for the 532nm wavelength?
- A.
  
  Laser marking of precious metals
- B.
  
  Laser marking printed circuit boards and ceramics
- C.
  
  Micro processing applications
- D.
  
  Deep engraving
23.

What do you gain if you are using a TruMark 6020 instead of a TruMark 3020?
- A.
  
  The wavelength of a TruMark 6020 absorbs better than of a TruMark 3020
- B.
  
  Annealing becomes possible
- C.
  
  Faster mark time
- D.
  
  No first pulse
24.

To achieve a good edge quality one needs ...?
- A.
  
  A Vanadate or YAG laser
- B.
  
  High average laser power
- C.
  
  Short mark time
- D.
  
  A good pulse-to-pulse overlap