US 10,561,033 B2
Ceramic sintering for uniform color for a housing of an electronic device
Colin M. Ely, Sunnyvale, CA (US); Dale N. Memering, Langhorne, PA (US); Kazuya Takagi, Tokyo-to (JP); Naoto Matsuyuki, Tokyo-to (JP); and Theodore A. Waniuk, Lake Forest, CA (US)
Assigned to APPLE INC., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Mar. 11, 2019, as Appl. No. 16/298,809.
Application 16/298,809 is a continuation of application No. 15/611,329, filed on Jun. 1, 2017, granted, now 10,264,690.
Claims priority of provisional application 62/382,687, filed on Sep. 1, 2016.
Prior Publication US 2019/0208653 A1, Jul. 4, 2019
This patent is subject to a terminal disclaimer.
Int. Cl. H05K 5/02 (2006.01); C04B 35/486 (2006.01); C04B 35/48 (2006.01); C04B 35/64 (2006.01); C09C 1/00 (2006.01)
CPC H05K 5/0217 (2013.01) [C04B 35/48 (2013.01); C04B 35/486 (2013.01); C04B 35/64 (2013.01); C09C 1/0009 (2013.01); C04B 2235/3244 (2013.01); C04B 2235/3262 (2013.01); C04B 2235/3275 (2013.01); C04B 2235/6567 (2013.01); C04B 2235/661 (2013.01); C04B 2235/9661 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A housing for an electronic device, comprising:
a wall defining an exterior surface of the housing, the wall comprising:
a ceramic material; and
a pigment incorporated with the ceramic material;
the ceramic material having an L* value at or near the exterior surface greater than about 87 in the CIELAB color space.