Abstract: A compound is represented by a formula (1) below. In the formula (1): R1 to R9, R101 to R108, and R111 to R118 are each independently a hydrogen atom, a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, or the like; Ar12 is a substituted or unsubstituted aryl group having 10 to 30 ring carbon atoms or the like; p is 0 or 1; q is 0 or 1; and p+q is 1 or 2.

Abstract: A golf club head includes a face, a sole, a back, and a hosel. The back is connected to at least a top blade of the face and to a trailing edge of the sole to form a cavity surrounded by the face, the sole, and the back. The cavity has an opening on a toe side. The sole is shaped into a triangle whose three vertices are a heel end of the sole, a face-side toe end of the sole, and a back-side toe end of the sole. The heel end is a point where a central axis of a bore of the hosel into which a shaft is to be inserted intersects with the sole. The face-side toe end is a point closest to a toe in a region where the sole connects to the face. The back-side toe end is the toe-side end of the trailing edge.

Abstract: A hollow golf club head includes a face defining a front of the golf club head, a sole, and a crown. The crown includes a front depression formed in the outside surface of the crown and a rear depression formed in the inside surface of the crown. The front depression is closer to the face than is the rear depression in a front-rear direction from the front to a rear of the golf club head.

Abstract: A golf club head includes a head body and a face member. The head body includes a body face, a sole, and a crown. The face member is joined to an opening formed in the body face. A depression is provided between the opening and the sole in the head body.

Abstract: To realize a sintered compact containing LiCoO2 which can increase a film deposition rate during sputtering, particularly even when a film is deposited only by pulsed DC discharge sputtering and can suppress the generation of flakes due to sputtering, and which is hardly cracked and is easy to handle. In the sintered compact containing LiCoO2, an average grain size is 10 to 40 ?m, a relative density is 90% or more, and a resistivity is 100 ?·cm or less.

Abstract: A hollow golf club head includes a face defining a front of the golf club head, a sole, and a crown. The crown includes a front depression formed in the outside surface of the crown and a rear depression formed in the inside surface of the crown. The front depression is closer to the face than is the rear depression in a front-rear direction from the front to a rear of the golf club head.

Abstract: A golf club head includes a head body and a face member. The head body includes a body face, a sole, and a crown. The face member is joined to an opening formed in the body face. A depression is provided between the opening and the sole in the head body.

Abstract: Provided is a target assembly which is manufactured by bonding a Li-containing oxide sputtering target and an Al-based or Cu-based backing plate through a bonding material. The Li-containing oxide target assembly does not undergo warping or cracking during the bonding. The Li-containing oxide target assembly according to the present invention is manufactured by bonding a Li-containing oxide sputtering target to a backing plate via a bonding material, and has bending strength of 20 MPa or larger.

Abstract: The present invention relates to a selection assisting method including a first selection step of selecting a recommended grip from a plurality of types of grips based on information on a hand size of a testing golfer; a measurement step of measuring by using a measurement device a swing characteristic of the testing golfer in a shot by using a golf club to which the recommended grip selected in the first selection step is attached; and a second selection step of selecting a recommended grip from the plurality of types of grips based on a measurement result in the measurement step.

Abstract: The present invention relates to a selection assisting method including a first selection step of selecting a recommended grip from a plurality of types of grips based on information on a hand size of a testing golfer; a measurement step of measuring by using a measurement device a swing characteristic of the testing golfer in a shot by using a golf club to which the recommended grip selected in the first selection step is attached; and a second selection step of selecting a recommended grip from the plurality of types of grips based on a measurement result in the measurement step.

Abstract: Provided is a target assembly which is manufactured by bonding a Li-containing oxide sputtering target and an Al-based or Cu-based backing plate through a bonding material. The Li-containing oxide target assembly does not undergo warping or cracking during the bonding. The Li-containing oxide target assembly according to the present invention is manufactured by bonding a Li-containing oxide sputtering target to a backing plate via a bonding material, and has bending strength of 20 MPa or larger.