Silicon Light

Cookies Policy

These guidelines on the use of web technologies (“cookie policy”) explain how Silicon Light Machines Corporation, a SCREEN Group company (“SLM”) operates this website to which data protection regulations apply.

What is a cookie?

A cookie is a small data file sent by our website onto your computer, tablet, Smartphone or similar device each time you use the device to visit our website. Cookies mean that the next time you visit the website our system recognizes your device. A cookie itself contains no personal data and does not collect any personal data. Cookies can store user settings and other information.

You can adjust the settings of your browser to either reject all cookies or to alert you when a cookie is sent. However, some functions or services on the site may not be available or may not run properly without cookies.

How long are cookies stored?

Cookies are stored either on your hard disk (permanent cookie) or in your computer RAM (session cookie).

Session cookies:

Session cookies are generated by our website when you start your visit and contain a randomly generated individual ID number allocated to your computer. These cookies become invalid and are deleted as soon as you close your browser.

Permanent cookies:

Wherever possible, we use permanent cookies whose validity does not automatically extinguish when you close the browser. These cookies are stored in your device and remain in place for as long as they are valid or are deleted. Each time you visit our website the website then identifies any cookies stored on your device.

Who exactly stores cookies on your device?

Any cookies sent by SLM, as the site operator, and stored on your device are designated “first-party cookies”. First party cookies are those cookies which are associated with the host name.

Our domains may also include elements that set cookies on behalf of a third party, e.g. a “Like”-button from Facebook or a “Tweet”-button from Twitter.

Cookies on this website

The SLM site use cookies for various purposes relating to functionalities and web analysis.

Technologies implemented

  • Session IDs
  • Content management and navigation
  • Flash cookies
  • Analytics

Session IDs:

Our website generates session ID cookies. These are necessary to run some of the interactive elements on our website. These cookies contain a randomly generated number which is allocated to your device and is used to distinguish you from other visitors to our site. Session cookies are also used to personalize/optimize the functionalities offered by our website.

Content management and navigation:

The content management tool generates first party cookies. These are session cookies which we use to record settings of the website language and other functionalities.

Flash cookies (Flash Local Shared Objects):

“Local shared objects” are data elements stored by sites on your device which use Adobe Flash.

SLM for example uses the YouTube Flash player to provide video content. The embedded YouTube player generates and updates a flash cookie (LSO). SLM has no direct control over the use of the data stored in this object by YouTube. For more information please refer to YouTube’s data protection guidelines. Handling is regulated directly by the provider. You can access the storage settings for domain flash player from here.


Google Analytics

This website uses Google Analytics, a web analysis service provided by Google Inc. (“Google”). Google Analytics uses text files, “cookies”, which are stored on your device and which enable analysis of the web pages you have used. The information generated by the cookie about your use of our site is generally transferred to a Google server located in the USA where the data is stored. In the event of the activation of IP anonymization on this site your IP address will be transferred to the USA location and if you are located within the European member states or in other contractual states of the European Economic Area Treaty be previously abbreviated. Only in exceptional cases will the full IP address be transferred to a Google server located in the USA, where it will then be abbreviated. Working in accordance with a contract with the operator of this website, Google will use that information to evaluate your use of the website to generate a report about site activities and other usage of the site and other services associated with internet usage for delivery to the website operator. The IP address transferred by the user in connection with Google Analytics will not be added/aggregated with other data by Google. You can prevent the storage of cookies by making appropriate adjustments to the settings of your browser; we would, however, point out that if you make such changes, you will not have full access to all functions of this site. You can prevent collection of data by Google Analytics by clicking on the following link. This sets an opt-out cookie which will prevent future collection of your data when visiting this site: deactivate Google Analytics.

For more general information about Google Analytics and data protection please visit intl/de/analytics/ privacyoverview.html. We would point out that on this site, Google Analytics has been extended with the function code “gat_anonymizeIp();” to guarantee anonymized collection of IP addresses (a process known as IP masking).

Cookie management on your device

It depends based on the type of cookies. Session cookies expire when you close the browser. Persistent cookies, including Local Shared Objects (“Flash cookies”), have typical expiration dates ranging from two months up to a couple of years.

What else should you know?

You can decide yourself if you wish to allow storage of cookies on your device. If you wish to prevent the use of cookies now or in the future, you can adjust the settings on your browser at any time. Please bear in mind that not allowing cookies may mean you cannot use all areas of our website.

More information about how you can manage and/or delete cookies is available under

Changes and customer requests

SLM is continuously checking its websites for currently used cookies and will announce changes on each affected website. If you have questions about cookies and their use by SLM please contact us ( Please provide us with your contact information, the name of the relevant SLM website or Services and a detailed description of your request.

Cookies and categories

SLM website uses a number of different cookies which can be allocated to the following categories: “functional”, “statistics” and “advertising”.

Functional cookies

Functional cookies store your settings and are necessary for best functioning of services and third-party services integrated on this site. By blocking or deleting cookies, parts of the site or third-party provider services will not be available.

Name Validity Purpose Company
AllowCookies Session User recognition SCREEN

Statistic cookies

Statistic cookies are used to gain a better understanding of user behavior and to improve user experience when using SLM content. Blocking and deleting such cookies will mean your data can no longer be used to improve your website experience.

Name Validity Purpose Company
_ga 2 years Analysis Google Analytics
_gid 24 hours Analysis Google Analytics
_gat 10 minutes Analysis Google Analytics

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