8. Document Security Flashcards

1
Q

What are the secruity fratures ?

A
Fluorescing material
Watermakrs
Special links
Intaglio printing
Micropaint
Holograms - methal threads
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2
Q

Bame two secure documents

A

Passport

Bank notes

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3
Q

What is fluorescence?

A

The emission of light by a substance that has absorbed light or other electromagnetic radiation

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4
Q

Explain photoluminescent

A

Incident like energy excites electrkn to higher energy level

Decay invovles an intermediate state

Theres a partially loss of energy becauseof
Chemical chane/ vibration/atomic collision

Rest of energy lsot by emitted light

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5
Q

Was the first recorded use the Paper money

A

7th century

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6
Q

When was the first running cash note ? Whow as it issued by?

A

16th century and goldsmith bankers

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7
Q

When was the first fully printed note ?

A

1855

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8
Q

When was the first coloured note ?

A

1928

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9
Q

When was the counterfeit case who was it and what happened ?

A

1695, daniel perriore, faked 60 £100 notes

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10
Q

In 1999 what features were incorporated in notes ?

A

Foil hologram, micropront, fluorescnet features

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11
Q

In what ways can bank notes be destroyed ?

A

Chewed, torn, fire damage, ckntaminated, washed

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12
Q

Most claimed reaosn for runing bank notes in 2015 was ?

A

Chewed/eaten

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13
Q

What was cost of chewed bank notes

A

£127,000

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14
Q

How many soecial inks are used to lroduce uk notes ?

A

80

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15
Q

How is a water mark created?

A

Is created by making a pattern that has different fibre density compared to the rest of the paper note

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16
Q

How can a water mark be seen ?

A

Under transmitted light

17
Q

What are the two types of water marks ?

A

Multi-tonal

Electrotype

18
Q

Whats a security thread

A

Thread woven theough paper

19
Q

How is raised lrinting detected

A

By touch

20
Q

How is raised lrinting done

A

Ink placed in grooves engraved on plate, plate and paper meet ink forcibly transfered = raised

21
Q

What is micro printing ?

A

Tiny printed words often form design

22
Q

What suze microprontinf can be read with naked eye and what cant

A
  1. 8mm can

0. 2 seen as thin line

23
Q

Whats a see through register ?

A

Its design element where two parts of a design in consecutive pages are viewed together to form a complete image

24
Q

What is a window ?

A

Clear area of polymer- only on polymer notes

25
Q

What country started clear windows on polymer notes ?

A

Australia in 1988

26
Q

What security features are on a passport?

A
Watermarks
 UV features
Raised print 
 hologram 
mciroprint

Also
Latent imaging
Candy stripe fibres
Laser perforation

27
Q

What are the types of laser perforation?

A

Logo perf
Number perf
destri perf

28
Q

What is laser perforation?

A

Laser creates holes which have no reverse embossing

29
Q

When are candy stripe features visible?

A

Visible in both normal and uv light, appears in random arrangements

30
Q

Where are latent images found?

A

Front cover

31
Q

What year did criss oage lrinting start

A

2010 more sophisticated

32
Q

4 ways to examine documents

A

Visual examination
Screening techniques
Analytical methods : microscopic spectroscopy
Destructive analysis : chromatography and chemical analysis