Polyvinylidene Fluoride PiezoelectricFilm (PVDF) is a relatively new class of piezo-electric device.PVDF material is a thin plastic polymersheet with its molecules aligned in auniform pattern. It has a electrically conductive coating deposited on each side of the sheet.

1. PRESENTED BY: SHUBHAM GUPTA
EC 3RD YEAR
ROLL NO-1235131094 `
Technical seminar on

2. content
Introduction
Working
Advantages
Disadvantages
Conclusion

3. Speakers Thinner Than Paper! PVDF Piezo
Film Technology
Richard Haberkern
By: Richard
Haberkern
on march 5,2015
(Invented many different
electronic and film industry
related products.)

4. SOUND FROM PAPER THIN
MATERIAL
• Thin film speaker
technology is the
space aged material of
the future.
• It can be cut and
shaped into just about
any form imaginable.
PVDF material produces rich sound and is as thin as
paper

5. THIN FILM PIEZO SPEAKER

6.  Polyvinylidene Fluoride Piezoelectric
Film (PVDF) is a relatively new class
of piezo-electric device.
PVDF material is a thin plastic polymer
sheet with its molecules aligned in a
uniform pattern.
It has a electrically conductive coating
deposited on each side of the sheet.

7. AMAZING PIEZO-FILM
PROPERTIES
 Piezo film has an extremely high output
potential, about 10 times greater than ceramic
materials.
 The material has a high mechanical strength and
is impact resistant.

8. Other attributes include:
 Wide Frequency Range. (.001 Hz - 10 GHz)
 High dielectric strength.
 Good mechanical durability.
 Moisture resistant.

9. THIN FILM SPEAKER DESIGN

10. INTERESTING POSSIBILITIES
Paper Headphones for fun, promotions and listening emergencies!

11. Advantage
This amazing material is only 80
microns thick.
It can produce rich sounding audio.
.

12. SHAPING SOUND THE WAY YOU
WANT IT
When you bend and shape the material, something interesting
happens.
Each shape you create will change the perceived sound and
results in different qualities of audio reproduction.
And just like in all speaker designs, the results will change with
each frequency you try to put through the PVDF material.

13. Jumbo Thin Film Speaker Kit (240mm X 170mm) - mono audio amplifier included.

14. THIS IS NOT ORDINARY PLASTIC
PVDF
Speakers
are
specially
made sheets
of
piezoelectri
c vinyl with
conductive
coatings.

15. A BETTER MATERIAL FOR A
LOWER PRICE
 This is not the lower quality, higher cost material you see
available from measurement specialist companies and
electrostatic speaker makers.
 This film is the speaker itself and uses a conductive coating
that is not metallic in nature. That means you get a more
crisp, high quality audio without that annoying "tin can"
sound.

16. Disadvantages
 Challenge will be to learn to create the ideal
shape or shapes to create the best sounding
audio.

17. Watch this video to hear the audio quality
produced by this amazing material: