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In microstereolithography , an UV laser beam is focused to 1–2 μm to solidify a thin layer of 1–10 μm in thickness .
 manufacturing process: microstereolithography; concept or principle: UV laser beam; concept or principle: solidify; process parameter: layer
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 manufacturing process: microstereolithography; concept or principle: UV laser beam; concept or principle: solidify; process parameter: layer