| Lesson
No 1: Brief History of Image Carrier.
Theory
|
Marks |
Hours |
1.1 |
Senefelder’s invention, development of image carrier
from litho stone to plate.
|
Nil |
2 |
| Lesson
No 2: Imposition Schemes.
Theory.
|
Marks |
Hours |
2.1 |
Definition, page characteristics- portrait and landscape.
|
|
2 |
2.2 |
Variation in imposition schemes according to binding
styles.
|
2 |
2 |
2.3 |
Terms related with imposition schemes- gripper margin,
folding margin, gutter margin, cutting marks, centerline,
plate clamping allowance and binder’s marks. Paste-up
materials- goldenrod paper, astrolon sheet, plastic grid.
|
3 |
2 |
2.4 |
Need of using positive working plates and negative working
plates and their applications.
|
3 |
2 |
| Lesson
No 2: Imposition Schemes.
Practical.
|
Marks |
Hours |
1 |
Single page layout.
|
-- |
-- |
2 |
4-page half sheet work.
|
-- |
-- |
3 |
8-page sheet work, 8-page half sheet work and turn.
|
-- |
-- |
4 |
Packaging application
|
-- |
-- |
5 |
8-page half sheet work and tumble.
|
-- |
-- |
6 |
16-page full sheet work.
|
-- |
-- |
7 |
4-page half sheet work and twist.
|
-- |
-- |
8 |
Positive working paste-up.
|
-- |
-- |
9 |
Negative working paste-up.
|
-- |
-- |
| Lesson
No 3: Environment.
Theory.
|
Marks |
Hours |
3.1 |
Room layout, lighting, ventilation, flooring, air conditioning,
temperature and humidity, coloring, waste disposal
|
5 |
3 |
| Lesson
No 3: Environment.
Industrial visits.
|
-- |
-- |
| Lesson
No 4: Storage.
Theory.
|
Marks |
Hours |
4.1 |
Storing methods, equipments, care and precaution, dark
reaction, shelf life and pot life.
|
5 |
3 |
| Lesson
No 5: Equipments and plate-making materials.
Theory.
|
Marks |
Hours |
5.1 |
Whirler, printing down frame, plate processor, step and
repeat machine, Baume hydrometer, Graining
|
6 |
5 |
5.2 |
Light sources- sunlight, metal-halide, carbon arc, mercury
vapor, pulsed xenon, laser beam, quartz.
|
4 |
5 |
5.3 |
Detail study of aluminium, zinc, copper, chromium and
stainless steel.
|
6 |
4 |
| Lesson
No 6: Different Types of Plates.
Theory.
|
Marks |
Hours |
6.1 |
Negative working-wipe-on, pre-sensitized plates.
|
6 |
3 |
6.2 |
Chemistry involved in making coating- sensitizer, developer,
finisher.
|
6 |
3 |
6.3 |
Deep-etch plates and chemicals- gum deep-etch and water
deep-etch. Defects and remedies of each type.
|
10 |
6 |
6.4 |
Positive P.S. plates- method, care and pollution control.
Study of bi-metal and multi-metal plates.
|
10 |
6 |
| Lesson
No 6: Different Types of Plates.
Practical
|
-- |
-- |
6.1 |
Preparation of plate by-
Wipe-on,
P.S. positive,
P.S. negative,
Gum deep-etch,
Water deep-etch.
|
-- |
-- |
6.2 |
For P.S. plates-
Study of variation of exposure on dot formation and processing
time- under and over exposed and correctly exposed on
the plate by half tone positive.
|
-- |
-- |
6.3 |
Demonstration of variation in coating thickness and results
on gum deep- etch plates.
|
-- |
-- |
6.4 |
Study of positive, screen angle and squaring-up of positive.
|
-- |
-- |
| Lesson
No 7: Quality Control.
Theory.
|
Marks |
Hours |
7.1 |
Importance of pH scale, star target, slur mark, continuous
tone step wedge guide, single strip quality control guide,
graduated half tone sensitivity guide
|
12 |
6 |
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