1
Antonius H M Holtslag, Derk Visser, Peter Coops, Jacobus P J Heemskerk: Multi-layer information storage system with improved aberration correction. U S Phillips Corporation, David R Treacy, October 14, 1997: US05677903 (36 worldwide citation)

An optical information storage system has a multi-recording layer record carrier and a scanner device for the carrier. The scanner produces a radiation beam which is compensated for spherical aberration for a single height of the scanning spot with the stack of layers. The height of the stack is det ...


2
Willem G Opheij, Peter Coops, Adrianus J Duijvestijn, Dirk C Van Eck, Peter De Zoeten: Apparatus for optically scanning an information plane. U S Philips Corporation, John Francis Moran, Leroy Eason, May 8, 1990: US04924079 (18 worldwide citation)

An optical scanning apparatus, which includes a radiation source (7) supplying a scaning beam (b.sub.1), an objective system (8) for focusing the scanning beam (b.sub.1) to a scanning spot (S.sub.1) in an information plane (2) to be scanned, and a first diffraction element (9) for deforming the beam ...


3
Andreas J M Bressers, Peter Coops, Adrianus J Duijvestijn: Apparatus for optically scanning an information plane. U S Philips Corporation, Algy Tamoshunas, May 9, 1989: US04829506 (16 worldwide citation)

An apparatus for scanning the information plane of an optical record carrier with a radiation beam from a diode laser. The reflected radiation from the information plane is separated from the scanning beam and split into two sub-beams by a composite diffraction grating which also functions to focus ...


4
Peter Coops: Apparatus for optically scanning a radiation-reflective information plane. U S Philips Corporation, Algy Tamoshunas, Leroy Eason, May 30, 1989: US04835378 (14 worldwide citation)

Apparatus for scanning a radiation-reflective information plane (2). A scanning beam of radiation (b) from a diode laser (4) is focused by an objective lens (6) on the information plane and the beam reflected therefrom is deflected by a composite diffraction grating (9) so as to form two asymmetrica ...


5
Peter Coops, Adrianus J Duijvestijn: Apparatus for optically scanning a radiation-reflecting information plane. U S Philips Corporation, A Tamoshunas, Leroy Eason, March 13, 1990: US04908506 (11 worldwide citation)

Optical scanning apparatus which includes a diode laser producing a radiation beam which is focussed by a lens system on a reflecting information plane to be scanned thereby. The reflected radiation is diffracted by a composite diffraction grating which includes a pair of sub-gratings, forming respe ...


6
Antonius H M Holtslag, Derk Visser, Peter Coops, Jacobus P J Heemskerk: Multi-layer information storage system with improved aberration correction. U S Philips Corporation, David R Treacy, November 24, 1998: US05841753 (10 worldwide citation)

An optical information storage system has a multi-recording-layer record carrier and a scanner device for the carrier. The scanner produces a radiation beam which is compensated for spherical aberration for a single height of the scanning spot with the stack of layers. The height of the stack is det ...


7
Antonius H M Holtslag, Derk Visser, Peter Coops, Jacobus P J Heemskerk: Multi-layer optical record carrier not requiring spherical aberration correction. Koninklijke Philips Electronics, Laurie E Gathman, March 25, 2003: US06538978 (5 worldwide citation)

An optical information storage system has a multi-recording-layer record carrier and a scanner device for the carrier. The scanner produces a radiation beam which is compensated for spherical aberration for a single height of the scanning spot with the stack of layers. The height of the stack is det ...


8
Martinus P M Bierhoff, Peter Coops, Dirk C Van Eck, Joannes H F C Sieben: Optoelectronic device and method of manufacturing same with an electrically insulating medium having a strip-shaped flexible foil. U S Philips Corporation, William L Botjer, September 27, 1994: US05350916 (4 worldwide citation)

Optoelectronic devices in which optoelectronic components comprising a diode laser are fastened on a carrier plate having good heat conduction, and in which the carrier plate is provided with connection conductors for the components which are separated from the carrier plate by an electrically insul ...


9
Antonius H M Holtslag, Derk Visser, Peter Coops, Jacobus P J Heemskerk: Multi-layer information storage system with focus and radial positioning error detection. Koninklijke Philips Electronics, Michael E Belk, November 6, 2007: US07292515 (3 worldwide citation)

An optical information storage system has a multi-recording-layer record carrier and a scanner device for the carrier. The scanner produces a radiation beam which is compensated for spherical aberration for a single height of the scanning spot with the stack of layers. The height of the stack is det ...


10
Martinus P M Bierhoff, Antonius H M Akkermans, Peter Coops, Jozef P H Benschop: Device for optically scanning information tracks on a plane using two subbeams. Koninklijke Philips Electronics, Michael E Belk, January 28, 2003: US06512732 (2 worldwide citation)

A device for optically scanning an information plane having tracks. Radiation is supplied by a radiation source focused on the information plane by an objective system. The beam reflected by the information plane is incident on a dividing element, for example a grating which divides the beam into tw ...