Optical transceiver module and method for manufacturing same
An optical transceiver module and a method for manufacturing thereof, which are adopted for providing a reduced manufacturing cost and an improved signal quality, are achieved. The optical transceiver module 1 includes a VCSEL 13 that is capable of emitting light; a thermoplastic resin layer 22 provided on the VCSEL 13 and transparent to the above-described light; a copper foil 21 , provided in the thermoplastic resin layer 22 and the resin layer, and having an opening 21 a that is transparent to light; a dimple 22 a , provided in a surface of the thermoplastic resin layer 22 in a side opposite to the VCSEL 13 ; and a lens provided in the dimple. The dimple 22 a is located above the opening 21 a.
1 . An optical transceiver module, comprising:
an optical element receives or emits light;
a resin layer formed above said optical element, and transmits said light;
a conductive layer formed in said resin layer, and has an opening transmits said light;
a dimple presented in the opposite side of said optical element in said resin layer; and
a lens formed in said dimple, wherein said dimple is located above said opening.
2 . The optical transceiver module according to claim 1 ,
wherein said bottom surface of said dimple has a curved surface, and said surface of the side of said dimple has a convex shape.
3 . The optical transceiver module according to claim 1 ,
wherein a surface of the opposite side of said dimple of said lens has a convex shape.
4 . The optical transceiver module according to claim 1 ,
wherein said lens is formed by a high refractive index resin has a higher refractive index than polyimide resin.
5 . The optical transceiver module according to claim 1 ,
wherein maximum depth of said dimple is substantially equivalent to a depth of said opening.
6 . The optical transceiver module according to claim 1 ,
wherein said conductive layer is used as a transmission path of electrical signal received or transmitted by said optical element.
7 . The optical transceiver module as according to claim 6 ,
wherein said conductive layer makes up a strip line or a micro strip line.
8 . The optical transceiver module as according to claim 7 ,
wherein said conductive layer is a copper foil.
9 . A method for manufacturing the optical transceiver module, comprising:
preparing a resin layer has a dimple on the surface; and
forming said lens by dropping a liquid resin in said dimple of said resin layer.
10 . The method for manufacturing the optical transceiver module according to claim 9 ,
wherein said liquid resin has a higher refractive index than polyimide resin.