4708
An " electron-multiplying CCD " ( EMCCD , also known as an L3Vision CCD , a product commercialized by e2v Ltd. , GB , L3CCD or Impactron CCD , a now-discontinued product offered in the past by Texas Instruments ) is a charge-coupled device in which a gain register is placed between the shift register and the output amplifier .
 organization: e2v Ltd.; organization: L3CCD; organization: Texas Instruments
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: e2v Ltd., L3CCD, Texas Instruments 
Answer:
 organization: e2v Ltd.; organization: L3CCD; organization: Texas Instruments