-
公开(公告)号:US20180321618A1
公开(公告)日:2018-11-08
申请号:US15773962
申请日:2016-01-27
Applicant: Hewlett-Packard Development Company, L.P.
Inventor: Guang Jin Li , Stanley J. Kozmiski , Seongsik Chang , Daniel Tanchangco , David Sabo , Thomas Anthony , Omer Gila
CPC classification number: G03G15/10 , C08L75/04 , G03G13/10 , G03G15/0233 , G03G15/0818 , G03G2215/0861
Abstract: The present disclosure relates to a liquid electrophotographic ink developer unit. The unit comprises a developer roller, and a secondary roller that co-operates with the developer roller. The developer roller is formed of a material having a specific resistivity of less than 1×106 Ω·cm. The secondary roller is formed of a material having a specific resistivity of 1×104 to 1×109 Ω·cm.
-
公开(公告)号:US11384248B2
公开(公告)日:2022-07-12
申请号:US16077776
申请日:2017-03-23
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor: Alexey S Kabalnov , Daniel Tanchangco , Stephen G. Rudisill
Abstract: A nanoparticle used in 3D printing is disclosed herein. In an example, the nanoparticle can comprise: at least one metal oxide, which absorbs infrared light in a range of from about 780 nm to about 2300 nm and is shown in formula (1): MmM′On (1) wherein M is an alkali metal, m is greater than 0 and less than 1, M′ is any metal, and n is greater than 0 and less than or equal to 4; and a bilayer-forming surfactant encapsulating at least a portion of the metal oxide, wherein the nanoparticle has a diameter of from about 0.1 nm to about 500 nm.
-
公开(公告)号:US10983459B2
公开(公告)日:2021-04-20
申请号:US15773966
申请日:2016-01-27
Applicant: Hewlett-Packard Development Company, L.P.
Inventor: Guang Jin Li , Daniel Tanchangco , Paul McCaslin , Anna Chin, Sr. , Bin Huang , Kai-Kong Iu
Abstract: The present disclosure relates to a liquid electrophotographic ink developer unit. The unit comprises a developer roller comprising a layer formed from a polymer composition containing a conductive filler, whereby the polymer composition has a specific resistivity of less than 1×106 Ω·cm. The unit also comprises a secondary roller that co-operates with the developer roller.
-
公开(公告)号:US10514633B2
公开(公告)日:2019-12-24
申请号:US15773962
申请日:2016-01-27
Applicant: Hewlett-Packard Development Company, L.P.
Inventor: Guang Jin Li , Stanley J. Kozmiski , Seongsik Chang , Daniel Tanchangco , David Sabo , Thomas Anthony , Omer Gila
Abstract: The present disclosure relates to a liquid electrophotographic ink developer unit. The unit comprises a developer roller, and a secondary roller that co-operates with the developer roller. The developer roller is formed of a material having a specific resistivity of less than 1×106 Ω·cm. The secondary roller is formed of a material having a specific resistivity of 1×104 to 1×109 Ω·cm.
-
公开(公告)号:US20180321619A1
公开(公告)日:2018-11-08
申请号:US15773966
申请日:2016-01-27
Applicant: Hewlett-Packard Development Company, L.P.
Inventor: Guang Jin Li , Daniel Tanchangco , Paul McCaslin , Anna Chin, Sr. , Bin Huang , Kai-Kong Iu
CPC classification number: G03G15/10 , C08L75/04 , G03G13/10 , G03G15/0233 , G03G15/0818 , G03G15/104 , G03G2215/0861
Abstract: The present disclosure relates to a liquid electrophotographic ink developer unit. The unit comprises a developer roller comprising a layer formed from a polymer composition containing a conductive filler, whereby the polymer composition has a specific resistivity of less than 1×106 Ω·cm. The unit also comprises a secondary roller that co-operates with the developer roller.
-
-
-
-