DOT History

The company Dünnschicht- und Oberflächentechnologie GmbH (thin film and surface technologies GmbH) is founded on Feb 07 1992 by two physicists and two engineers. All its four directors have a wealth of academic or industrial experience in coatings and materials technology.

In January 2001, the company name is changed from Dünnschicht- und Oberflächentechnologie GmbH to DOT GmbH - but first one after another.

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1992

A First Investment

PVDA first investment in a PVD coating machine is made and it is installed in a facility with 140 m² floor space.

1992

1995

BONIT® Coating

BONIT® CoatingThe electrochemical calcium phosphate coating BONIT® is patented.
DOT enhances the development work for coating knee implants with
PVD and can win over a renowned German implant manufacturer as a customer who makes a substantial contribution to a stable turnover.

1997

TPS Coating

TPS Titan Plasma SprayedPlasma spray operations with DOT’s own TPS coating plant are commenced.

1997

1998

DOTIZE® Anodizing

DOTIZEThe DOTIZE® anodizing procedure is introduced.
It was developed by DOT to enhance implant strength and to suppress bone growth in applications for trauma implants.

2000

First Office And Production Facility

Building 1DOT’s own office and production building with 3,000 m² of floor space (building 1) is officially opened

2000

2001

Laser marking / Clean Room Packaging

DOT Laser marking Laser marking and clean room packaging capabilities are now offered.
In March, the four founders are awarded „Entrepreneur of the Year
2001“ by the mayor of Rostock.

2004

More Production Space

More production spaceA staff of 140 persons is now employed at DOT. Floor space is increased by 2000 m² when building 2 is constructed.

2004

2006

New Dental Coatings

REM picture of BONITEXThe dental coatings BONITex® and DUOTex® are placed on the market.
The „OSKAR für den Mittelstand“ - the OSCAR for German Small and Medium-sized Enterprises is awarded to DOT in September for its role in driving regional growth and innovation.

2007

Eifeler Holding GmbH

Signet Eifeler Holding GmbH Co. KGEifeler Holding GmbH & Co. KG acquires the majority of DOT GmbH

2007

2009

Third Production Building

New production building In September, the new production building (building 3) with 1,000 m² of floor space is completed. The  entire  DOT  facility,  except  for  the  department  for coating stents and catheters, is now in Rostock-Südstadt.

2010

New Dental Coatings

REM Image CellTexCELLTex® and CELLBIOTex® are placed on the market as additional dental coatings

2010

2012

DLC (Diamond-like-Carbon)

DLC coated instruments by DOTDLC (Diamond-like-Carbon) coatings for rotating dental instruments are introduced.
At the end of the year, the number of employees has grown to a staff of 278 people, generating a turnover amounting to EUR 22 million.

2013

DOT America

DOT America is foundedDOT America, Inc. is founded. Our first overseas subsidiary is located in Columbia City, Indiana.

2013

2014

All Services At One Location

stent and catheter coatingPlant extension of building 2 to 2,000 m² is completed. The stent and catheter coating department moves into its own facility at the Rostock Südstadt location. All DOT divisions are now centered at one location.

2015

Operating Activities In America

DOT America FacilityWe are elated when DOT America, Inc. is officially opened

2015

2016

Analytical Laboratory Services Are Accredited

Laboratory AnalysisDOT Analytics laboratory is accredited by DAkkS. An additional field is established, offering customers and third parties a selected range of tests (e.g. tests for Bioburden and Endotoxines).

2017

25th Anniversary

25th anniversary of DOT25th anniversary of DOT
The number of employees in Rostock has grown to 320 and DOT America Inc now employs a staff of 15 people.

2017

2018-2019

Next Production Building

start of production in building 4The expansion of production took place from summer 2018 with the construction of building 4, and the PVD department was able to start production in november 2019.

DOT GmbH
Charles-Darwin-Ring 1a
18059 Rostock l Germany

Phone: +49 381- 4 03 35-0

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