Date : 04/21/23

L. Dubost 29th may 2014

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1960

1967: First licence “sulfbt”

1953: HEF funded / 2 employees in Saint Chamond

2000

World wide expansion

1980

1970

First Techniques Surfaces facility

Facility at AndrezieuxToday Head quarter

1990Sisters companies in Europe

Vacuum deposition R&D

1994 R&D service activity

2010ISIS demonstration platform

2012

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Worldwide activityD

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• 1500 employees• 147 M€ sales• Capital owned by the

employees

• 3 research centers : France, Germany, Canada

• 60 employees

• Headquarters France - Andrézieux

• Presence in 21 countries

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Jobbing services

Multi-customers jobbing services

Surface treatment in TS service centers

Dedicated jobbing services

In house/Door to Door surface treatments services

R&D services and technology transfers

R&D contracts Tribology expertise, surface engineering studies

Licensing Technologies transfer under licence

Turnkey plants and training

Design & manufacturing of HEF technologies surface treatments plants, supply of consumables & training / Optical inspection systems

Products

Bushings Manufacturing & sales of HEF patented Bushings.

Friction parts Manufacturing & sales of specific friction parts

Chemicals Manufacturing & sales of salts for nitriding, heat treatments…

Organisa tion

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3Numerous surface engineering processes

Vacuum Thin films Varnish and Paints

Friction reductionHard layers

Optical thin filmsSputtering

PECVDCathodic arc

Hard coatAntifog

PTFE basePowder coating

EpoxySolgel

Thermochemistry & Diffusion layer Electrochemichal / Electroless

NitridingNitro-carburizing

Molten SaltsThermal

treatment

Silver platingNickel (P/PTFE)

NicalecAlu protection

Laser patterning Projection

Femtosecond Thin film patternMicrostructures

Ripples

ArcPlasma spray

HVOF

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Solutions for a large panel of applications

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Microbatteries

Membranes

Gas barrier coatings

Hydrophilic or hydrophobic

Catalytic or Biostatic

Decorative coatings

Tribological Coatings

Corrosion resistant coatings

Hard coatings

Transparent and conductive

Electrically conductive coatings

IR filtration coatings

Optical coatings

Funct

ions

Devic

es

Electrochomic systems Outside mirrors

Li-Metal thin films batteries Electrochromic film on

flexible substrates

Heating coating + Reflective coating

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HEF and IREIS local photonic network

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3Optical thin films applications

Reflective & filters

Large scientific instrumentMetalic coatings Au, Ag, Al Oxydes SiO2, Al2O3Absorbers : solar,…Emissivity controlDLC for IR

Color

Selective coating

Active materials

ElectrochromicPhotochromicThermochromic

Plasmonic

AgSiOCHAg

HEF R&D

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R&D on industrial size machineD

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TSD 400 TSD 550 TSD 850

TSD 800H TSD 900 Special equipement

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Pilot equipment TSD 2800 RD

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• H = 2.8 m• D = 1100 mm

• 3.3 TONNES/POSITION

PECVD M0

Vue de dessus

PVD

Sput.

Arc

• Aircraft parts• Receiver tubes for solar (CSP)• Rolling mills• Large scientific instrument• Chemical plant parts

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Equipment TSD 2200D

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• Coating height= 1,7 m• Diameter = 1,5 to 2 m

• Internal mag. sputtering cathodes

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Equipment HPL 800-3

• Coating area = 1 m²

• In line deposition chambers

• Magnetron sputtering• PECVD : microwave

0.3 µm 102000

0.5 µm 3520

5 µm 29

Par

t/m

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ISO 6

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3Photoflex project : photochromism with silver np Ag

SiOCHAg HEF R&D

Granted by

Rewritable films based on TiO2/Ag materials deposited on flexible supports for colored photo-inscriptions

Sol gel Sol gel

Spin coating

Spin coating Ink jetInk jet

Magnetron sputteringMagnetron sputtering

Alternative sputtering of TiO2 and Ag

Alternative sputtering of TiO2 and Ag

Laser photo-inscriptionLaser photo-inscriptionWritting

EraseWritting

EraseWritting

Writting Erase

Electromagnetic modeldeveloped

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3Femtosecond laser / multi scale structures

0 nm

250 nm

1 µm 10 nmPattern size 10 µm

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3Automated optical inspection for production lines

DLC coating lines

Control defects of black coatingsDefect size down to 10µm10000/hourIrregular shape

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Thank you for your attention