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Browse Prior Art Database

Mounts for Exchangeable Tips And Tube Scanners

IP.com Disclosure Number: IPCOM000119897D
Original Publication Date: 1991-Mar-01
Included in the Prior Art Database: 2005-Apr-02
Document File: 2 page(s) / 58K

Publishing Venue

IBM

Related People

Gaisch, R: AUTHOR [+4]

Abstract

The use of sharply pointed tips and piezo-electric tube scanners has become commonplace in many scanning applications. For work in UHV, it is desirable to have both the tip 1 and the scanner tube 2 exchangeable, preferably in situ . The concept described here enables tip assemblies 3 to be interchanged in UHV, and the piezo-electric tube assembly 4 to be rigidly mounted in a holder but to be exchangeable nondestructively. (Image Omitted)

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 75% of the total text.

Mounts for Exchangeable Tips And Tube Scanners

      The use of sharply pointed tips and piezo-electric tube
scanners has become commonplace in many scanning applications.  For
work in UHV, it is desirable to have both the tip 1 and the scanner
tube 2 exchangeable, preferably in situ .  The concept described here
enables tip assemblies 3 to be interchanged in UHV, and the
piezo-electric tube assembly 4 to be rigidly mounted in a holder but
to be exchangeable nondestructively.

                            (Image Omitted)

      The requirements are minimum mass corresponding to a high
resonance frequency and ease of exchange.  Tip assembly 3 comprises a
tip holder 4 having a collar 5 for receiving tip 1, e.g., in a bed
of glue, a transfer ring 6, a conical portion 7, and a cylindrical
stud 8.  Tip assembly 3 is locked without any mechanical play in a
receptacle 9 when stud 8 has passed a spring clip 10 inserted in a
groove inside receptacle 9 and when conical portion 7 rests against a
beveled shoulder 11 machined into the receiving end of receptacle 9.
Insertion and removal of tip assembly 3 are accomplished by a wobble
stick or other transfer manipulator interacting with transfer ring 6.
Receptacle 9 may be glued into one end of scanner tube 2.

      Although piezo-electric scanner tube 2 is rather brittle and
delicate, it must be attachable to tube holder assembly 12 with a
high degree of rigidity.  Tube holder assembly 12 compri...