Method for forming an electrical connection to a sample support in an electron microscope holder
An electrical connector for use in electron microscopy sample holders. The electrical connector provides electrical contacts to the sample support devices which are positioned in the sample holders for electrical, temperature and/or electrochemical control.
1. A sample holder for an electron microscope, the sample holder comprising:
a sample holder body defining a first pocket and a second pocket, the second pocket being enclosed by the first pocket;
a holder lid configured to be engaged to the sample holder body over the first pocket;
a microelectronic device dimensioned to be positioned in the first pocket, the microelectronic device having a first side, a second side opposite the first side, and electrical contact pads on the second side; and
an electrical contact having a first end in the first pocket, a second end opposite the first end and extending at least partially through the sample holder body, and electrical contact pads located at the first end,
wherein the electrical contact pads of the electrical contact are forced towards the electrical contact pads of the microelectronic device to ensure engagement therewith when the holder lid is engaged with the sample holder body.
2. The sample holder of claim 1 , wherein, prior to the microelectronic device being received in the first pocket, a first end of the electrical contact is elevated relative to a surface of the sample holder body that defines a bottom of the first pocket.
3. The sample holder of claim 1 , wherein the electrical contact comprises electrical contact points located proximal the second end.
4. The sample holder of claim 3 , wherein each electrical contact point is electrically connected to at least one of the electrical contact pads.
5. The sample holder of claim 1 , wherein at least one of the electrical contact pads is deflective.
6. The sample holder of claim 1 , wherein the microelectronic device comprises a temperature control device.
7. The sample holder of claim 1 , further including a second device positioned in the second pocket.
8. The sample holder of claim 1 , further including a seal positioned below the microelectronic device.
9. The sample holder of claim 1 , further including a seal positioned below the microelectronic device and the first pocket.
10. A sample holder for an electron microscope, the sample holder comprising:
a sample holder body defining a first pocket, the first pocket configured for receiving a first microelectronic device, the sample holder body further defining a second pocket, the second pocket being enclosed by the first pocket;
a holder lid configured to be engaged with the sample holder body;
an electrical contact extending from the first pocket and having electrical contact pads,
wherein the electrical contact pads of the electrical contact are forcibly engaged with the electrical contact pads of a first microelectronic device received within the first pocket when the holder lid is engaged with the sample holder body.
11. The sample holder of claim 10 , wherein, prior to the first microelectronic device being received in the first pocket, a first end of the electrical contact is elevated relative to a surface of the sample holder body that defines a bottom of the first pocket.
12. The sample holder of claim 10 , wherein the electrical contact comprises electrical contact points located proximal a second end.
13. The sample holder of claim 12 , wherein each electrical contact point is electrically connected to at least one of the electrical contact pads of the electrical contact.
14. The sample holder of claim 10 , wherein at least one of the electrical contact pads of the electrical contact is deflective.
15. The sample holder of claim 10 , wherein the first microelectronic device comprises a temperature control device.
16. The sample holder of claim 10 , further including a second device positioned in the second pocket.
17. The sample holder of claim 10 , further including a seal positioned below the first microelectronic device.
18. The sample holder of claim 10 , wherein the first pocket and the second pocket are in fluid engagement.
19. The sample holder of claim 10 , further including a seal positioned below the first microelectronic device and the first pocket.
20. The sample holder of claim 10 , wherein the electrical contact pads of the electrical contact are deflectable such that the forcible engagement causes deflection of the electrical contact pads of the electrical contact toward the sample holder body.