US 12,228,774 B2
Ultra-small form factor optical connector and adapter
Jimmy Jun-Fu Chang, Worcester, MA (US); and Kazuyoshi Takano, Tokyo (JP)
Assigned to Senko Advanced Components, Inc., Hudson, MA (US)
Filed by Senko Advanced Components, Inc., Hudson, MA (US)
Filed on Aug. 22, 2023, as Appl. No. 18/453,795.
Application 18/453,795 is a continuation of application No. 16/559,590, filed on Sep. 3, 2019, granted, now 11,822,133.
Application 16/559,590 is a continuation in part of application No. PCT/US2019/013861, filed on Jan. 16, 2019.
Application 16/559,590 is a continuation in part of application No. 16/194,325, filed on Nov. 17, 2018, granted, now 10,838,152, issued on Nov. 17, 2020.
Application 16/559,590 is a continuation in part of application No. 16/103,555, filed on Aug. 14, 2018, granted, now 10,718,911, issued on Jul. 21, 2020.
Application PCT/US2019/013861 is a continuation in part of application No. 16/035,691, filed on Jul. 15, 2018, granted, now 10,281,668, issued on May 7, 2019.
Claims priority of provisional application 62/588,276, filed on Nov. 17, 2017.
Claims priority of provisional application 62/549,655, filed on Aug. 24, 2017.
Claims priority of provisional application 62/532,710, filed on Jul. 14, 2017.
Prior Publication US 2024/0036272 A1, Feb. 1, 2024
Int. Cl. G02B 6/38 (2006.01)
CPC G02B 6/3885 (2013.01) [G02B 6/3825 (2013.01); G02B 6/3831 (2013.01); G02B 6/3849 (2013.01); G02B 6/3853 (2013.01); G02B 6/3879 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An adapter having a receptacle configured to receive four separate optical connectors in the receptacle at operative positions for making an optical connection, the adapter comprising:
a housing defining the receptacle, the housing having a housing perimeter comprising first and second side walls spaced apart along a width of the housing and upper and lower walls spaced apart along a height of the housing; and
four pairs of ferrule alignment sleeves in the receptacle at four spaced apart locations along the width of the housing, each pair of ferrule alignment sleeves comprising first and second ferrule alignment sleeves spaced apart along the height of the housing;
wherein the adapter is configured to latch with the four optical connectors to retain the four optical connectors in the operative positions such that first and second optical fiber ferrules of each of the four optical connectors are received in the first and second ferrule alignment sleeves of a respective one of the four pairs of ferrule alignment sleeves;
wherein the housing perimeter is accommodated in a quad small form-factor pluggable (QSFP) transceiver footprint.