Abstract: The present invention provides a thin-film magnetic sensor including: a giant magnetoresistive film having a giant magnetoresistive effect, and thin-film yokes each composed of a soft magnetic material and electrically connected to both ends of the giant magnetoresistive film, in which each of the thin-film yokes includes an outer yoke which is composed of a first soft magnetic material and is provided outward with respect to the giant magnetoresistive film and an inner yoke which is composed of a second soft magnetic material and is provided between the giant magnetoresistive film and the outer yoke; the first soft magnetic material is composed of a crystalline or microcrystalline soft magnetic material; the thin-film magnetic sensor is obtained by (1) forming the each outer yoke, the giant magnetoresistive film and the each inner yoke in this order, and (2) performing a heat treatment for improving soft magnetic characteristics of the each outer yoke before forming the giant magnetoresistive film; and a len

Abstract: The present invention provides a thin-film magnetic sensor including: a giant magnetoresistive film having a giant magnetoresistive effect, and thin-film yokes each composed of a soft magnetic material and electrically connected to both ends of the giant magnetoresistive film, in which each of the thin-film yokes includes an outer yoke which is composed of a first soft magnetic material and is provided outward with respect to the giant magnetoresistive film and an inner yoke which is composed of a second soft magnetic material and is provided between the giant magnetoresistive film and the outer yoke; the first soft magnetic material is composed of a crystalline or microcrystalline soft magnetic material; the thin-film magnetic sensor is obtained by (1) forming the each outer yoke, the giant magnetoresistive film and the each inner yoke in this order, and (2) performing a heat treatment for improving soft magnetic characteristics of the each outer yoke before forming the giant magnetoresistive film; and a len

Abstract: There is provided a catalyst for the polymerization of ethylene, comprising the following components [A] and [B] in combination:

Abstract: A catalyst component for the polymerization of alpha-olefins, represented by the following formula [I]: ##STR1## wherein R.sup.1 -R.sup.3 =H, a halogen, a C.sub.1-10 hydrocarbon radical, a Si-containing C.sub.1-18 hydrocarbon radical, or a halogen-containing C.sub.1-10, hydrocarbon radical (provided that R.sup.1 and R.sup.2 cannot be hydrogen at the same time); n=2 to 7; Q=a C.sub.1-20 hydrocarbon radical, a silylene or oligosilylene group having or not having a C.sub.1-20 hydrocarbon radical, a germylene group having or not having a C.sub.1-20 hydrocarbon radical; X and Y=H, a halogen, a C.sub.1-20 hydrocarbon radical, or an O- or N-containing C.sub.1-20 hydrocarbon radical; and M=a transition metal selected from the groups IVB-VIB; a catalyst for the polymerization of alpha-olefins, comprising the catalyst component; and a process for producing alpha-olefin polymers, where use is made of the catalyst.