What is claimed is:
1. A positron emission tomography device comprising a -ray detector consisting of a scintillator and a light-receiving device, wherein said scintillator is a perovskite organicinorganic hybrid compound selected from the group represented by the general formulae:
(R1NR113)2MX4 or (R2NR12)2MX4, (NR133R3NR133)MX4 or (NR142R4NR142)MX4, or AMX3
wherein, R1 is a monovalent hydrocarbon group which may include a heterocyclic ring, and may be substituted by a halogen atom, R is a divalent hydrocarbon group which may contain a heterocyclic ring, may be substituted by a halogen atom and may be cyclic, R3 is a divalent hydrocarbon group which may contain a heterocyclic ring and may be substituted by a halogen atom, R4 is a tetravalent hydrocarbon group which may contain a heterocyclic ring, may be substituted by a halogen atom and may be cyclic, A represents R5NH3, R6NH2 or a mixture thereof, R5 is a hydrogen atom or a methyl group which may be substituted by an amino group or halogen atom, R6 is a methylene group which may be substituted by an amino group or halogen atom, each R11, R12, R13 and R14 group is hydrogen or an alkyl group having two or fewer carbon atoms, and may be the same as or different from each other such group in the organicinorganic hybrid compound, M is a Group IVa metal, Eu, Cd, Cu, Fe, Mn or Pd, and each X is a halogen that may be the same or different than the other X groups in the organicinorganic hybrid compound.
2. The positron emission tomography device of claim 1, further comprising an electronic circuit which processes the signal of said -ray detector, and a computer which performs image reconstruction and other tasks.
3. The positron emission tomography device of claim 1 or 2, wherein said device is of the time-of-flight type.
4. The radiation detector of any of claims 1 or 3, wherein said perovskite organicinorganic hybrid compound is in the form of a single crystal.
5. The positron emission tomography device of any of claims 1-4, wherein the hydrocarbon groups of the perovskite organicinorganic hybrid compound is selected from the group represented by the formulae
(R1NR113)2MX4 or (R2NR12)2MX4, (NR133R3NR133)MX4 or (NR142R4NR142)MX4(wherein, R1-R4, R11-R14, M and X have identical meanings to the above), and the hybrid compound is crosslinked.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is
1. An adhesive sheet comprising a substrate comprising a synthetic resin film and a nonwoven fabric laminated on one side of the film, and an adhesive layer formed on the nonwoven fabric, wherein the nonwoven fabric comprises polyethyleneimine at least on a surface of the nonwoven fabric.
2. The adhesive sheet according to claim 1, wherein the polyethyleneimine is contained in a proportion of 0.01-10 gm2 and at least on the surface of the nonwoven fabric.
3. The adhesive sheet according to claim 1, wherein the polyethyleneimine has a number average molecular weight of 300-100,000.
4. The adhesive sheet according to claim 1, wherein the adhesive layer comprises an adhesive sheet containing a carboxyl group.
5. The adhesive sheet according to claim 4, wherein the adhesive sheet comprises a polymer containing the following (a) and (b):
(a) at least one C4-13 alkyl (meth)acrylate monomer unit; and
(b) at least one ethylenically unsaturated monomer unit containing a carboxyl group.
6. The adhesive sheet according to claim 1, wherein the synthetic resin film is made from a polyester and the nonwoven fabric is made from a polyester.
7. An adhesive preparation comprising a drug in an adhesive layer of the adhesive sheet according to claim 1.
8. A production method of the adhesive sheet of claim 1, which comprises forming an adhesive layer on a nonwoven fabric containing polyethyleneimine.
9. A production method of the adhesive preparation of claim 7, which comprises forming an adhesive layer containing a drug on a nonwoven fabric containing polyethyleneimine.