The phrase "as a special type" is correct and usable in written English.
It can be used when specifying a particular category or classification of something within a broader context.
Example: "This software is designed to function as a special type of tool for data analysis, enhancing user productivity."
Alternatives: "as a unique category" or "as a distinct kind".
Directories are implemented as a special type of files.
Visual art is subsequently discussed as a special type of images used in advertising.
The mineral fuels coal, petroleum, and natural gas may be described as a special type of economic deposit.
As a special type of digital image, remotely sensed images are playing increasingly important roles in our daily lives.
The grenadier has since disappeared as a special type of infantryman, and the term has become obsolete save in historical names such as the Grenadier Guards.
As a special type of data parallelism, distributed data-parallelism (DDP) is to execute tasks in parallel with partitioned data on distributed computing nodes.
22. N. Bezroukov, "Open Source Software Development as a Special Type of Academic Research," First Monday, Oct. 12, 1999, http://firstmonday.org/issues/issue4_10/bezroukov/index.org/issues/issue4_10/bezroukov/index
Mucinous adenocarcinoma was assigned as 3 points, signet ring cell carcinoma was assigned as 4 points, undifferentiated carcinoma was assigned as 4 points, a special type of stomach cancer as 4 points (these score still needs further refinement) (Table 1 ).
The family caregivers in Group C (and in group B after one year as well), were offered a special type of family caregiver counselling which would be recommended to them by their GP.
This exploratory article discusses some of the particularities of this 'coup of a special type', as well as considering the new light it shines on the political history of Zimbabwe, the party ruling it since 1980, and their future.
Because these broadcast ads came within 60 days of the November election and mentioned the president, the American Energy Alliance was required to report the spots to the FEC as "electioneering communications" — a special type of issue-based advertising that comes with enhanced disclosure requirements.
