8. Document Security

Question 1

What are the secruity fratures ?

Answer 1

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

Question 2

Bame two secure documents

Answer 2

Passport

Bank notes

Question 3

What is fluorescence?

Answer 3

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

Question 4

Explain photoluminescent

Answer 4

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

Question 5

Was the first recorded use the Paper money

Answer 5

7th century

Question 6

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

Answer 6

16th century and goldsmith bankers

Question 7

When was the first fully printed note ?

Answer 7

1855

Question 8

When was the first coloured note ?

Answer 8

1928

Question 9

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

Answer 9

1695, daniel perriore, faked 60 £100 notes

Question 10

In 1999 what features were incorporated in notes ?

Answer 10

Foil hologram, micropront, fluorescnet features

Question 11

In what ways can bank notes be destroyed ?

Answer 11

Chewed, torn, fire damage, ckntaminated, washed

Question 12

Most claimed reaosn for runing bank notes in 2015 was ?

Answer 12

Chewed/eaten

Question 13

What was cost of chewed bank notes

Answer 13

£127,000

Question 14

How many soecial inks are used to lroduce uk notes ?

Answer 14

80

Question 15

How is a water mark created?

Answer 15

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

Question 16

How can a water mark be seen ?

Answer 16

Under transmitted light

Question 17

What are the two types of water marks ?

Answer 17

Multi-tonal

Electrotype

Question 18

Whats a security thread

Answer 18

Thread woven theough paper

Question 19

How is raised lrinting detected

Answer 19

By touch

Question 20

How is raised lrinting done

Answer 20

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

Question 21

What is micro printing ?

Answer 21

Tiny printed words often form design

Question 22

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

Answer 22

0. 8mm can

0. 2 seen as thin line

Question 23

Whats a see through register ?

Answer 23

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

Question 24

What is a window ?

Answer 24

Clear area of polymer- only on polymer notes

Question 25

What country started clear windows on polymer notes ?

Answer 25

Australia in 1988

Question 26

What security features are on a passport?

Answer 26

``` Watermarks UV features Raised print hologram mciroprint ``` Also Latent imaging Candy stripe fibres Laser perforation

Question 27

What are the types of laser perforation?

Answer 27

Logo perf Number perf destri perf

Question 28

What is laser perforation?

Answer 28

Laser creates holes which have no reverse embossing

Question 29

When are candy stripe features visible?

Answer 29

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

Question 30

Where are latent images found?

Answer 30

Front cover

Question 31

What year did criss oage lrinting start

Answer 31

2010 more sophisticated

Question 32

4 ways to examine documents

Answer 32

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